From 87ab487d59fa85dbe2afa55cc841b02805ae42ca Mon Sep 17 00:00:00 2001 From: Louis Burda Date: Fri, 7 Apr 2023 17:18:18 -0400 Subject: Reorder days into src --- src/.gitignore | 1 + src/01/input | 963 ++++++++++++ src/01/part1 | 55 + src/01/part2 | 34 + src/01/solve.py | 48 + src/02/input | 250 +++ src/02/part1 | 50 + src/02/part2 | 41 + src/02/solve.py | 40 + src/03/input | 1347 ++++++++++++++++ src/03/part1 | 63 + src/03/part2 | 44 + src/03/solve.py | 65 + src/04/input | 986 ++++++++++++ src/04/part1 | 76 + src/04/part2 | 20 + src/04/solve.py | 92 ++ src/05/input | 1 + src/05/part1 | 40 + src/05/part2 | 75 + src/05/solve.py | 30 + src/06/input | 50 + src/06/part1 | 65 + src/06/part2 | 61 + src/06/solve.py | 76 + src/07/input | 101 ++ src/07/part1 | 65 + src/07/part2 | 54 + src/07/solve.py | 105 ++ src/08/input | 1 + src/08/part1 | 58 + src/08/part2 | 46 + src/08/solve.py | 43 + src/09/input | 1 + src/09/part1 | 78 + src/09/part2 | 15 + src/09/solve.py | 43 + src/10/input | 337 ++++ src/10/part1 | 160 ++ src/10/part2 | 92 ++ src/10/solve.py | 105 ++ src/10/test-input.txt | 31 + src/11/input | 1 + src/11/part1 | 88 ++ src/11/part2 | 14 + src/11/solve.py | 76 + src/12/input | 34 + src/12/part1 | 99 ++ src/12/part2 | 49 + src/12/solve.py | 53 + src/13/input | 150 ++ src/13/part1 | 188 +++ src/13/part2 | 26 + src/13/solve.py | 148 ++ src/13/test1 | 7 + src/14/input | 1 + src/14/part1 | 70 + src/14/part2 | 18 + src/14/solve.py | 37 + src/15/input | 32 + src/15/part1 | 343 ++++ src/15/part2 | 57 + src/15/solve.py | 229 +++ src/15/test1 | 7 + src/15/test2 | 7 + src/15/test3 | 7 + src/15/test4 | 7 + src/15/test5 | 9 + src/15/test6 | 7 + src/16/input | 4148 +++++++++++++++++++++++++++++++++++++++++++++++++ src/16/part1 | 136 ++ src/16/part2 | 32 + src/16/solve.py | 109 ++ src/17/.gitignore | 1 + src/17/input | 1884 ++++++++++++++++++++++ src/17/part1 | 177 +++ src/17/part2 | 105 ++ src/17/solve.py | 183 +++ src/17/test1 | 8 + src/18/input | 50 + src/18/part1 | 175 +++ src/18/part2 | 184 +++ src/18/solve.py | 81 + src/18/test1 | 10 + src/19/input | 37 + src/19/part1 | 92 ++ src/19/part2 | 58 + src/19/solve.py | 109 ++ src/19/test1 | 8 + src/20/.gitignore | 1 + src/20/input | 1 + src/20/part1 | 187 +++ src/20/part2 | 207 +++ src/20/solve.py | 151 ++ src/20/test1 | 1 + src/21/input | 32 + src/21/part1 | 41 + src/21/part2 | 27 + src/21/solve.py | 112 ++ src/21/test1 | 8 + src/22/input | 2 + src/22/part1 | 106 ++ src/22/part2 | 22 + src/22/solve.py | 93 ++ src/23/input | 1000 ++++++++++++ src/23/part1 | 64 + src/23/part2 | 22 + src/23/solve.py | 108 ++ src/24/input | 23 + src/24/part1 | 199 +++ src/24/part2 | 186 +++ src/24/solve.py | 127 ++ src/25/input | 1248 +++++++++++++++ src/25/part1 | 108 ++ src/25/part2 | 17 + src/25/solve.py | 50 + src/25/test1 | 10 + src/25/test2 | 10 + src/25/test3 | 8 + src/25/test4 | 10 + src/Makefile | 15 + src/common/aoc.py | 35 + 122 files changed, 19490 insertions(+) create mode 100644 src/.gitignore create mode 100644 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mode 100644 src/08/solve.py create mode 100644 src/09/input create mode 100644 src/09/part1 create mode 100644 src/09/part2 create mode 100644 src/09/solve.py create mode 100644 src/10/input create mode 100644 src/10/part1 create mode 100644 src/10/part2 create mode 100644 src/10/solve.py create mode 100644 src/10/test-input.txt create mode 100644 src/11/input create mode 100644 src/11/part1 create mode 100644 src/11/part2 create mode 100644 src/11/solve.py create mode 100644 src/12/input create mode 100644 src/12/part1 create mode 100644 src/12/part2 create mode 100644 src/12/solve.py create mode 100644 src/13/input create mode 100644 src/13/part1 create mode 100644 src/13/part2 create mode 100644 src/13/solve.py create mode 100644 src/13/test1 create mode 100644 src/14/input create mode 100644 src/14/part1 create mode 100644 src/14/part2 create mode 100644 src/14/solve.py create mode 100644 src/15/input create mode 100644 src/15/part1 create mode 100644 src/15/part2 create mode 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src/20/part2 create mode 100644 src/20/solve.py create mode 100644 src/20/test1 create mode 100644 src/21/input create mode 100644 src/21/part1 create mode 100644 src/21/part2 create mode 100644 src/21/solve.py create mode 100644 src/21/test1 create mode 100644 src/22/input create mode 100644 src/22/part1 create mode 100644 src/22/part2 create mode 100644 src/22/solve.py create mode 100644 src/23/input create mode 100644 src/23/part1 create mode 100644 src/23/part2 create mode 100644 src/23/solve.py create mode 100644 src/24/input create mode 100644 src/24/part1 create mode 100644 src/24/part2 create mode 100644 src/24/solve.py create mode 100644 src/25/input create mode 100644 src/25/part1 create mode 100644 src/25/part2 create mode 100644 src/25/solve.py create mode 100644 src/25/test1 create mode 100644 src/25/test2 create mode 100644 src/25/test3 create mode 100644 src/25/test4 create mode 100644 src/Makefile create mode 100644 src/common/aoc.py (limited to 'src') diff --git a/src/.gitignore b/src/.gitignore new file mode 100644 index 0000000..bee8a64 --- /dev/null +++ b/src/.gitignore @@ -0,0 +1 @@ +__pycache__ diff --git a/src/01/input b/src/01/input new file mode 100644 index 0000000..419087f --- /dev/null +++ b/src/01/input @@ -0,0 +1,963 @@ ++11 ++16 ++2 +-16 +-6 ++13 +-6 +-8 +-17 ++15 +-11 +-14 ++17 +-9 ++4 ++1 +-15 +-17 +-8 ++16 ++6 +-11 +-15 +-2 ++3 +-6 +-2 +-4 +-2 +-18 +-6 +-2 ++18 +-4 ++7 ++15 +-11 ++8 +-4 +-17 +-19 +-15 +-17 +-7 ++12 +-2 +-5 +-13 +-4 +-13 +-18 ++16 ++12 ++10 ++14 +-19 ++13 ++10 ++8 +-10 ++3 +-16 +-7 +-9 +-19 +-15 +-19 ++2 ++7 +-1 ++7 ++1 +-20 +-5 +-10 ++14 ++10 ++5 ++13 ++10 ++15 ++3 +-16 +-17 ++19 ++15 ++2 ++14 +-11 ++3 +-11 +-17 +-8 ++16 +-13 +-1 ++16 ++1 ++12 +-5 ++20 ++16 ++10 +-9 +-8 ++15 +-4 ++3 ++5 ++7 ++1 +-2 ++19 ++14 +-5 +-10 +-4 ++3 ++18 +-15 ++17 +-7 ++10 +-8 +-10 ++4 ++10 ++12 ++11 +-4 +-4 +-8 ++11 ++16 +-4 ++14 ++2 ++3 +-16 ++19 +-9 ++5 ++17 ++19 +-17 +-4 ++13 ++15 +-6 ++20 ++12 ++15 +-17 ++13 +-7 +-14 ++11 ++12 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Instrument Station tells you. She sounded pretty worried when she called you down here. +"At 500-year intervals into the past, someone has been changing Santa's history!" + +"The good news is that the changes won't propagate to our time stream for another 25 days, and we +have a device" - she attaches something to your wrist - "that will let you fix the changes with no +such propagation delay. It's configured to send you 500 years further into the past every few days; +that was the best we could do on such short notice." + +"The bad news is that we are detecting roughly fifty anomalies throughout time; the device will +indicate fixed anomalies with stars. The other bad news is that we only have one device and you're +the best person for the job! Good lu--" She taps a button on the device and you suddenly feel like +you're falling. To save Christmas, you need to get all fifty stars by December 25th. + +Collect stars by solving puzzles. Two puzzles will be made available on each day in the Advent +calendar; the second puzzle is unlocked when you complete the first. Each puzzle grants +one star. Good luck! + +After feeling like you've been falling for a few minutes, you look at the device's tiny screen. +"Error: Device must be calibrated before first use. Frequency drift detected. Cannot maintain +destination lock." Below the message, the device shows a sequence of changes in frequency (your +puzzle input). A value like +6 means the current frequency increases by 6; a value like -3 means the +current frequency decreases by 3. + +For example, if the device displays frequency changes of +1, -2, +3, +1, then starting from a +frequency of zero, the following changes would occur: + + + - Current frequency  0, change of +1; resulting frequency  1. + + - Current frequency  1, change of -2; resulting frequency -1. + + - Current frequency -1, change of +3; resulting frequency  2. + + - Current frequency  2, change of +1; resulting frequency  3. + + +In this example, the resulting frequency is 3. + +Here are other example situations: + + + - +1, +1, +1 results in  3 + + - +1, +1, -2 results in  0 + + - -1, -2, -3 results in -6 + + +Starting with a frequency of zero, what is the resulting frequency after all of the changes in +frequency have been applied? + + diff --git a/src/01/part2 b/src/01/part2 new file mode 100644 index 0000000..87d732d --- /dev/null +++ b/src/01/part2 @@ -0,0 +1,34 @@ +--- Part Two --- + +During the second Go / No Go poll, the Elf in charge of the Rocket Equation Double-Checker stops the +launch sequence. Apparently, you forgot to include additional fuel for the fuel you just added. + +Fuel itself requires fuel just like a module - take its mass, divide by three, round down, and +subtract 2. However, that fuel also requires fuel, and that fuel requires fuel, and so on. Any +mass that would require negative fuel should instead be treated as if it requires zero fuel; the +remaining mass, if any, is instead handled by wishing really hard, which has no mass and is outside +the scope of this calculation. + +So, for each module mass, calculate its fuel and add it to the total. Then, treat the fuel amount +you just calculated as the input mass and repeat the process, continuing until a fuel requirement is +zero or negative. For example: + + + - A module of mass 14 requires 2 fuel. This fuel requires no further fuel (2 divided by 3 and +rounded down is 0, which would call for a negative fuel), so the total fuel required is still just +2. + + - At first, a module of mass 1969 requires 654 fuel. Then, this fuel requires 216 more fuel (654 / +3 - 2). 216 then requires 70 more fuel, which requires 21 fuel, which requires 5 fuel, which +requires no further fuel. So, the total fuel required for a module of mass 1969 is 654 + 216 + 70 + +21 + 5 = 966. + + - The fuel required by a module of mass 100756 and its fuel is: 33583 + 11192 + 3728 + 1240 + 411 + +135 + 43 + 12 + 2 = 50346. + + +What is the sum of the fuel requirements for all of the modules on your spacecraft when also taking +into account the mass of the added fuel? (Calculate the fuel requirements for each module +separately, then add them all up at the end.) + + diff --git a/src/01/solve.py b/src/01/solve.py new file mode 100644 index 0000000..d23d8d5 --- /dev/null +++ b/src/01/solve.py @@ -0,0 +1,48 @@ +import sys +sys.path.append("../common") +import aoc + +data = [int(l) for l in aoc.data.split("\n")] + +def solve1(args): + return sum(data) + +def solve2(args): + totshift = 0 + fvals = list() + for c in data: + fvals.append(totshift) + totshift += c + aoc.debug("total shift: " + str(totshift)) + + doubles = list() + + if totshift == 0: + doubles.append([len(data), 0]) + + i = 0 + while i < len(fvals): + for j in range(len(fvals)): + if i == j: + continue + dif = fvals[j] - fvals[i] + if dif % totshift == 0: + inds = list([i, j]) + if j > i: + inds = inds[::-1] + if totshift > 0: #ends on c + if fvals[inds[0]] > fvals[inds[1]]: + inds = inds[::-1] + else: + if fvals[inds[0]] < fvals[inds[1]]: + inds = inds[::-1] + + pos = (abs(dif) // totshift) * len(data) + inds[0] + doubles.append([pos, fvals[inds[1]]]) + i += 1 + + assert(len(doubles) != 0) + + return min(doubles, key = lambda x: x[0])[1] + +aoc.run(solve1, solve2, sols=[411, 56360]) diff --git a/src/02/input b/src/02/input new file mode 100644 index 0000000..0bb005f --- /dev/null +++ b/src/02/input @@ -0,0 +1,250 @@ +vtnihorkulbfvjcyzmsjgdxplw +vtnihorvujbfejcyzmsqgdlpaw +vtnihoriulbzejcyzmsrgdxpaw +vtsihowkulbfejcyzmszgdxpaw +vtnizorkunbfejcyzmsqgdypaw +vtnihorkdlbfojcyzmsqgdfpaw +vtpioorkulbfejcysmsqgdxpaw +vtnvhorkulbfhjcyzmsqgdipaw +vtrihorkylbaejcyzmsqgdxpaw +vtnigorkulbfejcyzmszgjxpaw +rtnihorkklbfejcyzmslgdxpaw +vtnihorkqlbfejcyzmsqgmppaw +vgnisorkulbfejcyzmsqgdkpaw +atnihorkulbfejcyzmdbgdxpaw +vtnihorkulbfejcezmsqqixpaw +vtnihorkucbfejcxzmsqgdypaw +vtnihorkulxfajcyzmsqgyxpaw +vbnihorkulbfescyzmsqgdxpae +vanshorkulbfejcyzjsqgdxpaw +vtnihoukulbfejcyzmwqgdxpbw +vtndhorkulbfejcyxmgqgdxpaw +ztnihlrkupbfejcyzmsqgdxpaw +vtoihkrkulbfejhyzmsqgdxpaw 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+vtnihorkslbmejcyzmsqgnxpaw +vtnwhorgulbfegcyzmsqgdxpaw +vtnihorkulbfsjcyzmsqgdxiau +vtnihorkulbfejcyzmsqldxpbj +vtnghorkulbfmjcyzmsqgdxpaa +vtnihorkulbfetcyzmpqudxpaw +vtnbhorkulbfejcyzmsqgdupyw +ntnihorhulbfejwyzmsqgdxpaw +vjnihorkulbfejcyqosqgdxpaw +vtiihorbulbfejcbzmsqgdxpaw +vtnihorkulbfejxlzmpqgdxpaw +vtnihorkolbfejcyfmsqgdxraw +vtnihqrrulbfedcyzmsqgdxpaw +ctnihorkulbfejcyzmsqgdxpsy +vtnihorkulbfkjcezmspgdxpaw +ztnihorkulbmcjcyzmsqgdxpaw +vinihorkulbfedcyzmsqgdxpau diff --git a/src/02/part1 b/src/02/part1 new file mode 100644 index 0000000..43358f4 --- /dev/null +++ b/src/02/part1 @@ -0,0 +1,50 @@ +--- Day 2: Inventory Management System --- + +You stop falling through time, catch your breath, and check the screen on the device. "Destination +reached. Current Year: 1518. Current Location: North Pole Utility Closet 83N10." You made it! Now, +to find those anomalies. + +Outside the utility closet, you hear footsteps and a voice. "...I'm not sure either. But now that so +many people have chimneys, maybe he could sneak in that way?" Another voice responds, "Actually, +we've been working on a new kind of suit that would let him fit through tight spaces like that. But, +I heard that a few days ago, they lost the prototype fabric, the design plans, everything! Nobody on +the team can even seem to remember important details of the project!" + +"Wouldn't they have had enough fabric to fill several boxes in the warehouse? They'd be stored +together, so the box IDs should be similar. Too bad it would take forever to search the warehouse +for two similar box IDs..." They walk too far away to hear any more. + +Late at night, you sneak to the warehouse - who knows what kinds of paradoxes you could cause if you +were discovered - and use your fancy wrist device to quickly scan every box and produce a list of +the likely candidates (your puzzle input). + +To make sure you didn't miss any, you scan the likely candidate boxes again, counting the number +that have an ID containing exactly two of any letter and then separately counting those with +exactly three of any letter. You can multiply those two counts together to get a rudimentary +checksum and compare it to what your device predicts. + +For example, if you see the following box IDs: + + + - abcdef contains no letters that appear exactly two or three times. + + - bababc contains two a and three b, so it counts for both. + + - abbcde contains two b, but no letter appears exactly three times. + + - abcccd contains three c, but no letter appears exactly two times. + + - aabcdd contains two a and two d, but it only counts once. + + - abcdee contains two e. + + - ababab contains three a and three b, but it only counts once. + + +Of these box IDs, four of them contain a letter which appears exactly twice, and three of them +contain a letter which appears exactly three times. Multiplying these together produces a checksum +of 4 * 3 = 12. + +What is the checksum for your list of box IDs? + + diff --git a/src/02/part2 b/src/02/part2 new file mode 100644 index 0000000..cf1b625 --- /dev/null +++ b/src/02/part2 @@ -0,0 +1,41 @@ +--- Part Two --- + +"Good, the new computer seems to be working correctly! Keep it nearby during this mission - you'll +probably use it again. Real Intcode computers support many more features than your new one, but +we'll let you know what they are as you need them." + +"However, your current priority should be to complete your gravity assist around the Moon. For this +mission to succeed, we should settle on some terminology for the parts you've already built." + +Intcode programs are given as a list of integers; these values are used as the initial state for the +computer's memory. When you run an Intcode program, make sure to start by initializing memory to the +program's values. A position in memory is called an address (for example, the first value in memory +is at "address 0"). + +Opcodes (like 1, 2, or 99) mark the beginning of an instruction. The values used immediately after +an opcode, if any, are called the instruction's parameters. For example, in the instruction +1,2,3,4, 1 is the opcode; 2, 3, and 4 are the parameters. The instruction 99 contains only an opcode +and has no parameters. + +The address of the current instruction is called the instruction pointer; it starts at 0. After an +instruction finishes, the instruction pointer increases by the number of values in the +instruction; until you add more instructions to the computer, this is always 4 (1 opcode + 3 +parameters) for the add and multiply instructions. (The halt instruction would increase the +instruction pointer by 1, but it halts the program instead.) + +"With terminology out of the way, we're ready to proceed. To complete the gravity assist, you need +to determine what pair of inputs produces the output 19690720." + +The inputs should still be provided to the program by replacing the values at addresses 1 and 2, +just like before. In this program, the value placed in address 1 is called the noun, and the value +placed in address 2 is called the verb. Each of the two input values will be between 0 and 99, +inclusive. + +Once the program has halted, its output is available at address 0, also just like before. Each time +you try a pair of inputs, make sure you first reset the computer's memory to the values in the +program (your puzzle input) - in other words, don't reuse memory from a previous attempt. + +Find the input noun and verb that cause the program to produce the output 19690720. What is 100 * +noun + verb? (For example, if noun=12 and verb=2, the answer would be 1202.) + + diff --git a/src/02/solve.py b/src/02/solve.py new file mode 100644 index 0000000..6b3594f --- /dev/null +++ b/src/02/solve.py @@ -0,0 +1,40 @@ +import sys +sys.path.append("../common") +import aoc + +data = aoc.data.split("\n") + +def solve1(args): + doubles = 0 + triples = 0 + for s in data: + counts = list((0,) * 26) + for c in s: + counts[ord(c[0])-97] += 1 + if 2 in counts: + doubles += 1 + if 3 in counts: + triples += 1 + return doubles * triples + +def compare(s1, s2): + dif = 0 + same = list() + for i in range(len(s1)): + if s1[i] != s2[i]: + dif += 1 + else: + same.append(s1[i]) + return (dif, same) + +def solve2(args): + for i in range(len(data)): + for j in range(i, len(data)): + if i == j: + continue + res = compare(data[i], data[j]) + if res[0] == 1: + return "".join(res[1]) + + +aoc.run(solve1, solve2, sols=[3952, "vtnikorkulbfejvyznqgdxpaw"]) diff --git a/src/03/input b/src/03/input new file mode 100644 index 0000000..2947617 --- /dev/null +++ b/src/03/input @@ -0,0 +1,1347 @@ +#1 @ 916,616: 21x29 +#2 @ 182,253: 29x10 +#3 @ 5,24: 16x17 +#4 @ 369,697: 17x19 +#5 @ 268,954: 28x23 +#6 @ 974,162: 22x14 +#7 @ 178,904: 18x14 +#8 @ 304,923: 29x28 +#9 @ 597,714: 11x24 +#10 @ 453,481: 22x13 +#11 @ 152,717: 22x18 +#12 @ 637,836: 18x14 +#13 @ 248,522: 12x22 +#14 @ 378,677: 14x18 +#15 @ 136,571: 10x17 +#16 @ 928,358: 21x13 +#17 @ 627,767: 10x20 +#18 @ 347,955: 15x28 +#19 @ 241,629: 12x11 +#20 @ 545,53: 14x12 +#21 @ 70,931: 18x19 +#22 @ 723,235: 22x21 +#23 @ 770,799: 12x12 +#24 @ 177,775: 10x19 +#25 @ 968,858: 20x28 +#26 @ 761,321: 17x24 +#27 @ 664,421: 10x23 +#28 @ 353,417: 29x27 +#29 @ 219,243: 26x22 +#30 @ 132,378: 10x10 +#31 @ 275,648: 19x20 +#32 @ 285,88: 29x22 +#33 @ 595,862: 18x22 +#34 @ 101,955: 12x28 +#35 @ 390,824: 11x28 +#36 @ 803,340: 19x27 +#37 @ 240,447: 22x10 +#38 @ 962,943: 19x29 +#39 @ 489,195: 18x19 +#40 @ 870,841: 22x28 +#41 @ 717,945: 28x26 +#42 @ 173,784: 12x14 +#43 @ 40,909: 10x19 +#44 @ 220,541: 16x25 +#45 @ 248,213: 25x23 +#46 @ 584,900: 11x23 +#47 @ 722,486: 11x15 +#48 @ 682,976: 20x10 +#49 @ 284,838: 23x25 +#50 @ 486,646: 19x15 +#51 @ 434,698: 18x28 +#52 @ 515,922: 23x16 +#53 @ 99,370: 24x16 +#54 @ 694,316: 15x14 +#55 @ 599,409: 20x26 +#56 @ 540,465: 21x25 +#57 @ 227,616: 29x17 +#58 @ 134,620: 17x13 +#59 @ 749,156: 24x10 +#60 @ 240,665: 12x10 +#61 @ 96,364: 25x26 +#62 @ 465,565: 25x12 +#63 @ 833,983: 24x10 +#64 @ 683,226: 18x17 +#65 @ 152,372: 15x21 +#66 @ 782,831: 28x11 +#67 @ 320,948: 24x16 +#68 @ 144,821: 12x11 +#69 @ 737,677: 24x13 +#70 @ 155,926: 12x25 +#71 @ 757,418: 19x15 +#72 @ 418,712: 29x10 +#73 @ 475,607: 21x26 +#74 @ 646,202: 23x10 +#75 @ 276,595: 22x14 +#76 @ 943,801: 10x17 +#77 @ 674,186: 29x21 +#78 @ 69,284: 28x20 +#79 @ 921,772: 11x17 +#80 @ 477,722: 18x23 +#81 @ 159,379: 23x10 +#82 @ 594,159: 23x17 +#83 @ 804,559: 29x18 +#84 @ 257,113: 28x26 +#85 @ 554,655: 19x27 +#86 @ 33,468: 28x29 +#87 @ 274,156: 13x11 +#88 @ 589,365: 22x17 +#89 @ 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21x24 diff --git a/src/03/part1 b/src/03/part1 new file mode 100644 index 0000000..c1b2e67 --- /dev/null +++ b/src/03/part1 @@ -0,0 +1,63 @@ +--- Day 3: No Matter How You Slice It --- + +The Elves managed to locate the chimney-squeeze prototype fabric for Santa's suit (thanks to someone +who helpfully wrote its box IDs on the wall of the warehouse in the middle of the night). +Unfortunately, anomalies are still affecting them - nobody can even agree on how to cut the fabric. + +The whole piece of fabric they're working on is a very large square - at least 1000 inches on each +side. + +Each Elf has made a claim about which area of fabric would be ideal for Santa's suit. All claims +have an ID and consist of a single rectangle with edges parallel to the edges of the fabric. Each +claim's rectangle is defined as follows: + + + - The number of inches between the left edge of the fabric and the left edge of the rectangle. + + - The number of inches between the top edge of the fabric and the top edge of the rectangle. + + - The width of the rectangle in inches. + + - The height of the rectangle in inches. + + +A claim like #123 @ 3,2: 5x4 means that claim ID 123 specifies a rectangle 3 inches from the left +edge, 2 inches from the top edge, 5 inches wide, and 4 inches tall. Visually, it claims the square +inches of fabric represented by # (and ignores the square inches of fabric represented by .) in the +diagram below: + +........... +........... +...#####... +...#####... +...#####... +...#####... +........... +........... +........... + +The problem is that many of the claims overlap, causing two or more claims to cover part of the same +areas. For example, consider the following claims: + +#1 @ 1,3: 4x4 +#2 @ 3,1: 4x4 +#3 @ 5,5: 2x2 + +Visually, these claim the following areas: + +........ +...2222. +...2222. +.11XX22. +.11XX22. +.111133. +.111133. +........ + +The four square inches marked with X are claimed by both 1 and 2. (Claim 3, while adjacent to the +others, does not overlap either of them.) + +If the Elves all proceed with their own plans, none of them will have enough fabric. How many square +inches of fabric are within two or more claims? + + diff --git a/src/03/part2 b/src/03/part2 new file mode 100644 index 0000000..5764b53 --- /dev/null +++ b/src/03/part2 @@ -0,0 +1,44 @@ +--- Part Two --- + +It turns out that this circuit is very timing-sensitive; you actually need to minimize the signal +delay. + +To do this, calculate the number of steps each wire takes to reach each intersection; choose the +intersection where the sum of both wires' steps is lowest. If a wire visits a position on the grid +multiple times, use the steps value from the first time it visits that position when calculating the +total value of a specific intersection. + +The number of steps a wire takes is the total number of grid squares the wire has entered to get to +that location, including the intersection being considered. Again consider the example from above: + +........... +.+-----+... +.|.....|... +.|..+--X-+. +.|..|..|.|. +.|.-X--+.|. +.|..|....|. +.|.......|. +.o-------+. +........... + +In the above example, the intersection closest to the central port is reached after 8+5+5+2 = +20 steps by the first wire and 7+6+4+3 = 20 steps by the second wire for a total of 20+20 = +40 steps. + +However, the top-right intersection is better: the first wire takes only 8+5+2 = 15 and the second +wire takes only 7+6+2 = 15, a total of 15+15 = 30 steps. + +Here are the best steps for the extra examples from above: + + + - R75,D30,R83,U83,L12,D49,R71,U7,L72 +U62,R66,U55,R34,D71,R55,D58,R83 = 610 steps + + - R98,U47,R26,D63,R33,U87,L62,D20,R33,U53,R51 +U98,R91,D20,R16,D67,R40,U7,R15,U6,R7 = 410 steps + + +What is the fewest combined steps the wires must take to reach an intersection? + + diff --git a/src/03/solve.py b/src/03/solve.py new file mode 100644 index 0000000..766b00e --- /dev/null +++ b/src/03/solve.py @@ -0,0 +1,65 @@ +import sys +sys.path.append("../common") +import aoc + +data = aoc.data.split("\n") + +#data = "#1 @ 1,3: 4x4","#2 @ 3,1: 4x4","#3 @ 5,5: 2x2" + +def parse_rect(l): + split = l.split("@") + id = int(split[0].replace("#","")) + split = split[1].split(":") + pos = [int(x) for x in split[0].split(",")] + size = [int(x) for x in split[1].split("x")] + return pos, size, id + +def create_map(): + global rectdata + rectdata = [parse_rect(l) for l in data] + msize = list([0,0]) + for i in range(len(rectdata)): + r = rectdata[i] + xm = r[0][0] + r[1][0] + ym = r[0][1] + r[1][1] + if i == 0 or xm > msize[0]: + msize[0] = xm + if i == 0 or ym > msize[1]: + msize[1] = ym + + map = [[list() for y in range(msize[1])] for x in range(msize[0])] + for r in rectdata: + sx = r[0][0] + sy = r[0][1] + for x in range(sx, sx + r[1][0]): + for y in range(sy, sy + r[1][1]): + map[x][y].append(r[2]) + + return map + +def solve1(args): + map = create_map() + + overlap = 0 + for x in range(len(map)): + for y in range(len(map[0])): + if len(map[x][y]) > 1: + overlap += 1 + + return overlap + +def solve2(args): + map = create_map() + + overlap = set() + for x in range(len(map)): + for y in range(len(map[0])): + if len(map[x][y]) > 1: + for id in map[x][y]: + overlap.add(id) + + for i in range(1, len(rectdata)): + if i not in overlap: + return i + +aoc.run(solve1, solve2, sols=[114946, 877]) diff --git a/src/04/input b/src/04/input new file mode 100644 index 0000000..c92ca08 --- /dev/null +++ b/src/04/input @@ -0,0 +1,986 @@ +[1518-08-29 00:24] falls asleep +[1518-08-06 00:20] falls asleep +[1518-03-12 00:21] falls asleep +[1518-06-17 00:45] wakes up +[1518-06-27 00:46] falls asleep +[1518-09-07 00:36] falls asleep +[1518-07-22 00:23] wakes up +[1518-05-18 00:35] falls asleep +[1518-09-27 00:40] wakes up +[1518-04-10 23:52] Guard #3559 begins shift +[1518-03-16 00:44] wakes up +[1518-05-16 00:23] wakes up +[1518-06-18 00:00] Guard #1499 begins shift +[1518-11-21 00:48] wakes up +[1518-05-19 00:29] falls asleep +[1518-03-20 23:58] Guard #73 begins shift +[1518-09-28 00:18] falls asleep +[1518-10-21 00:00] Guard #983 begins shift +[1518-05-19 00:57] wakes up +[1518-10-08 00:47] wakes up +[1518-05-04 00:19] falls asleep +[1518-07-30 00:30] falls asleep +[1518-05-04 00:22] wakes up +[1518-10-01 00:20] wakes up +[1518-03-24 23:47] Guard #2411 begins shift +[1518-06-19 00:00] Guard #1499 begins shift +[1518-09-15 00:38] falls asleep +[1518-07-26 00:50] falls asleep +[1518-06-13 00:00] Guard #3499 begins shift +[1518-08-30 00:03] Guard #983 begins shift +[1518-04-18 00:44] wakes up +[1518-07-09 00:53] falls asleep +[1518-06-09 00:02] falls asleep +[1518-10-09 23:56] Guard #3559 begins shift +[1518-04-15 23:46] Guard #313 begins shift +[1518-10-06 00:03] Guard #3499 begins shift +[1518-10-27 23:59] Guard #2617 begins shift +[1518-10-21 00:33] wakes up +[1518-03-23 00:47] falls asleep +[1518-07-21 00:31] wakes up +[1518-06-05 00:21] falls asleep +[1518-03-11 00:54] wakes up +[1518-05-06 00:11] wakes up +[1518-04-09 00:39] wakes up +[1518-06-10 00:00] Guard #919 begins shift +[1518-11-10 00:57] falls asleep +[1518-09-27 00:27] falls asleep +[1518-07-29 00:53] falls asleep +[1518-07-26 00:38] falls asleep +[1518-08-05 00:01] falls asleep +[1518-06-07 00:59] wakes up +[1518-11-22 00:39] falls asleep +[1518-11-17 00:58] wakes up +[1518-11-04 00:22] falls asleep +[1518-09-10 00:34] wakes up +[1518-04-11 00:25] wakes up +[1518-04-14 23:58] Guard #3203 begins shift +[1518-06-22 00:22] falls asleep +[1518-04-07 00:48] falls asleep +[1518-11-15 00:57] wakes up +[1518-05-24 23:56] Guard #983 begins shift +[1518-07-29 00:59] wakes up +[1518-11-15 00:05] falls asleep +[1518-11-22 00:02] Guard #3499 begins shift +[1518-11-01 00:46] wakes up +[1518-08-31 00:01] Guard #2411 begins shift +[1518-06-30 00:39] falls asleep +[1518-04-29 00:24] wakes up +[1518-04-12 23:54] Guard #2099 begins shift +[1518-05-04 00:48] falls asleep +[1518-09-25 00:49] falls asleep +[1518-09-21 00:28] falls asleep +[1518-04-25 00:44] falls asleep +[1518-04-13 00:43] falls asleep +[1518-08-24 00:16] falls asleep +[1518-07-02 00:43] wakes up +[1518-04-26 00:00] Guard #241 begins shift +[1518-06-26 00:29] falls asleep +[1518-04-17 00:47] wakes up +[1518-11-23 00:28] falls asleep +[1518-10-04 00:53] wakes up +[1518-11-20 00:46] falls asleep +[1518-06-28 00:37] wakes up +[1518-09-12 00:21] falls asleep +[1518-04-20 23:54] Guard #73 begins shift +[1518-03-21 23:57] Guard #1811 begins shift +[1518-07-04 00:48] wakes up +[1518-09-25 00:34] wakes up +[1518-04-13 00:35] wakes up +[1518-08-29 00:02] Guard #2657 begins shift +[1518-03-30 00:03] Guard #1811 begins shift +[1518-11-16 00:22] falls asleep +[1518-08-16 00:29] falls asleep +[1518-08-07 00:27] falls asleep +[1518-03-26 23:57] Guard #1091 begins shift +[1518-09-13 00:21] falls asleep +[1518-11-12 00:42] wakes up +[1518-05-14 00:01] Guard #1291 begins shift +[1518-03-21 00:39] falls asleep +[1518-04-23 00:22] falls asleep +[1518-09-19 00:05] falls asleep +[1518-04-02 00:42] falls asleep +[1518-04-27 00:39] wakes up +[1518-03-24 00:02] Guard #1033 begins shift +[1518-03-16 00:59] wakes up +[1518-05-11 23:50] Guard #3109 begins shift +[1518-04-18 00:06] falls asleep +[1518-08-31 00:33] wakes up +[1518-09-18 23:48] Guard #3559 begins shift +[1518-04-21 00:30] wakes up +[1518-10-07 00:44] wakes up +[1518-09-30 00:57] falls asleep +[1518-10-08 00:56] wakes up +[1518-06-19 00:37] wakes up +[1518-10-22 00:33] falls asleep +[1518-10-20 00:52] falls asleep +[1518-11-13 00:27] wakes up +[1518-07-05 00:11] falls asleep +[1518-08-17 00:48] wakes up +[1518-07-25 00:45] wakes up +[1518-05-01 23:59] Guard #3109 begins shift +[1518-07-31 00:10] falls asleep +[1518-05-26 00:54] falls asleep +[1518-08-10 23:57] Guard #3203 begins shift +[1518-06-26 00:06] falls asleep +[1518-09-24 00:12] falls asleep +[1518-04-11 00:01] falls asleep +[1518-06-01 00:02] Guard #2657 begins shift +[1518-06-30 23:49] Guard #241 begins shift +[1518-10-29 00:49] wakes up +[1518-06-12 00:44] wakes up +[1518-04-16 00:01] falls asleep +[1518-10-13 00:55] wakes up +[1518-05-21 00:28] falls asleep +[1518-06-21 00:17] falls asleep +[1518-06-05 00:47] falls asleep +[1518-05-10 00:19] falls asleep +[1518-09-05 00:04] falls asleep +[1518-04-23 00:12] falls asleep +[1518-07-16 00:56] wakes up +[1518-07-26 00:00] Guard #3499 begins shift +[1518-08-27 00:47] falls asleep +[1518-09-24 00:32] falls asleep +[1518-09-15 00:03] Guard #313 begins shift +[1518-11-21 00:04] Guard #3499 begins shift +[1518-07-11 00:49] wakes up +[1518-06-27 00:35] falls asleep +[1518-07-17 00:59] wakes up +[1518-05-13 00:10] falls asleep +[1518-09-28 00:04] Guard #3559 begins shift +[1518-10-03 00:00] Guard #313 begins shift +[1518-06-15 00:27] falls asleep +[1518-09-24 00:59] wakes up +[1518-10-29 23:50] Guard #983 begins shift +[1518-06-17 00:48] falls asleep +[1518-09-24 00:01] Guard #241 begins shift +[1518-05-28 23:56] Guard #2657 begins shift +[1518-04-17 00:00] Guard #1291 begins shift +[1518-05-29 00:34] wakes up +[1518-03-16 00:48] falls asleep +[1518-05-25 00:59] wakes up +[1518-04-11 00:42] falls asleep +[1518-06-02 23:59] Guard #241 begins shift +[1518-04-13 00:00] falls asleep +[1518-07-22 00:35] falls asleep +[1518-09-19 23:56] Guard #3109 begins shift +[1518-08-05 23:52] Guard #3449 begins shift +[1518-08-25 00:18] wakes up +[1518-07-14 23:57] Guard #2617 begins shift +[1518-05-08 00:19] falls asleep +[1518-10-11 00:02] Guard #2657 begins shift +[1518-03-21 00:22] falls asleep +[1518-06-23 00:10] falls asleep +[1518-05-28 00:41] falls asleep +[1518-09-01 00:02] Guard #3109 begins shift +[1518-09-13 00:43] wakes up +[1518-05-19 00:16] wakes up +[1518-10-03 00:59] wakes up +[1518-05-04 00:59] wakes up +[1518-06-15 00:53] falls asleep +[1518-07-16 00:09] falls asleep +[1518-08-11 00:48] falls asleep +[1518-08-15 00:00] Guard #823 begins shift +[1518-07-31 00:44] wakes up +[1518-04-28 23:51] Guard #73 begins shift +[1518-04-21 00:46] falls asleep +[1518-09-21 00:42] wakes up +[1518-05-27 00:26] falls asleep +[1518-08-23 00:04] Guard #3203 begins shift +[1518-07-13 00:01] falls asleep +[1518-08-14 00:01] falls asleep +[1518-07-10 00:50] wakes up +[1518-11-05 00:37] wakes up +[1518-08-12 00:58] wakes up +[1518-03-11 00:33] falls asleep +[1518-09-20 00:32] falls asleep +[1518-09-03 00:56] wakes up +[1518-03-21 00:40] wakes up +[1518-07-03 00:22] falls asleep +[1518-08-16 23:46] Guard #313 begins shift +[1518-10-31 00:00] Guard #919 begins shift +[1518-08-11 00:32] wakes up +[1518-08-25 23:58] Guard #1033 begins shift +[1518-09-01 23:57] Guard #2617 begins shift +[1518-06-17 00:53] wakes up +[1518-10-18 00:42] falls asleep +[1518-07-11 00:14] falls asleep +[1518-03-13 00:27] falls asleep +[1518-10-28 00:58] wakes up +[1518-07-31 00:01] Guard #3499 begins shift +[1518-04-22 00:49] wakes up +[1518-10-17 00:42] wakes up +[1518-03-14 00:02] Guard #1033 begins shift +[1518-08-09 00:38] falls asleep +[1518-04-26 23:58] Guard #3109 begins shift +[1518-05-09 00:34] falls asleep +[1518-11-09 23:57] Guard #2099 begins shift +[1518-05-22 00:28] falls asleep +[1518-08-08 00:28] wakes up +[1518-11-23 00:42] wakes up +[1518-09-16 00:19] falls asleep +[1518-04-08 00:12] falls asleep +[1518-10-03 00:47] wakes up +[1518-04-10 00:22] falls asleep +[1518-07-30 00:37] wakes up +[1518-11-16 00:47] wakes up +[1518-08-12 00:13] falls asleep +[1518-08-04 00:33] falls asleep +[1518-09-24 00:14] wakes up +[1518-09-13 00:56] wakes up +[1518-10-10 00:25] falls asleep +[1518-04-14 00:01] Guard #3559 begins shift +[1518-06-25 23:59] Guard #241 begins shift +[1518-07-19 00:02] falls asleep +[1518-03-15 00:01] Guard #1033 begins shift +[1518-09-18 00:15] falls asleep +[1518-11-09 00:35] falls asleep +[1518-08-22 00:11] falls asleep +[1518-10-07 23:59] Guard #2411 begins shift +[1518-08-02 23:59] Guard #3361 begins shift +[1518-06-26 00:53] wakes up +[1518-04-01 00:16] falls asleep +[1518-11-08 23:58] Guard #2617 begins shift +[1518-09-02 00:57] wakes up +[1518-07-06 00:46] falls asleep +[1518-07-21 00:17] falls asleep +[1518-05-01 00:58] wakes up +[1518-06-21 00:23] wakes up +[1518-07-01 00:47] wakes up +[1518-09-07 00:41] wakes up +[1518-05-05 00:34] wakes up +[1518-04-02 00:01] Guard #2099 begins shift +[1518-07-03 00:19] wakes up +[1518-06-01 00:39] falls asleep +[1518-04-06 00:08] falls asleep +[1518-08-24 00:01] Guard #2657 begins shift +[1518-07-01 23:51] Guard #3109 begins shift +[1518-08-13 00:04] Guard #2099 begins shift +[1518-08-09 00:34] wakes up +[1518-05-31 00:40] wakes up +[1518-06-26 00:45] falls asleep +[1518-06-26 23:59] Guard #983 begins shift +[1518-07-01 00:36] wakes up +[1518-03-24 00:26] falls asleep +[1518-04-19 00:55] falls asleep +[1518-04-06 00:09] wakes up +[1518-10-15 00:24] falls asleep +[1518-04-30 00:47] falls asleep +[1518-05-08 00:08] falls asleep +[1518-09-24 00:56] falls asleep +[1518-04-24 00:04] Guard #3361 begins shift +[1518-07-06 00:59] wakes up +[1518-06-24 00:28] wakes up +[1518-08-11 00:19] falls asleep +[1518-04-19 23:58] Guard #1291 begins shift +[1518-03-18 00:32] wakes up +[1518-10-23 00:04] falls asleep +[1518-10-19 00:04] Guard #3203 begins shift +[1518-04-05 00:31] wakes up +[1518-03-13 00:04] Guard #3449 begins shift +[1518-06-15 00:22] wakes up +[1518-03-26 00:10] falls asleep +[1518-07-07 00:34] wakes up +[1518-04-27 00:24] falls asleep +[1518-04-30 00:49] wakes up +[1518-04-17 00:18] falls asleep +[1518-09-11 00:20] falls asleep +[1518-05-07 00:56] wakes up +[1518-05-23 00:24] wakes up +[1518-03-28 00:44] wakes up +[1518-08-10 00:12] falls asleep +[1518-06-12 00:13] falls asleep +[1518-09-23 00:58] wakes up +[1518-08-29 00:59] wakes up +[1518-09-04 00:33] falls asleep +[1518-05-29 00:09] falls asleep +[1518-04-25 00:00] Guard #3203 begins shift +[1518-07-30 00:55] wakes up +[1518-10-31 23:57] Guard #983 begins shift +[1518-11-05 00:29] falls asleep +[1518-06-06 00:12] falls asleep +[1518-03-18 00:29] falls asleep +[1518-08-30 00:58] wakes up +[1518-11-08 00:13] wakes up +[1518-08-08 00:11] falls asleep +[1518-07-12 23:50] Guard #2099 begins shift +[1518-03-15 00:56] wakes up +[1518-06-07 00:39] falls asleep +[1518-11-02 00:29] wakes up +[1518-06-13 00:43] wakes up +[1518-07-21 23:47] Guard #2099 begins shift +[1518-10-12 00:38] wakes up +[1518-08-23 00:36] falls asleep +[1518-08-04 23:53] Guard #1091 begins shift +[1518-06-29 00:51] wakes up +[1518-03-28 00:10] falls asleep +[1518-10-20 00:23] falls asleep +[1518-11-12 00:04] Guard #2411 begins shift +[1518-04-17 00:59] wakes up +[1518-10-07 00:32] falls asleep +[1518-09-06 00:39] wakes up +[1518-03-27 00:34] falls asleep +[1518-05-27 00:53] wakes up +[1518-10-05 00:15] falls asleep +[1518-10-02 00:15] falls asleep +[1518-07-12 00:37] wakes up +[1518-07-16 23:57] Guard #983 begins shift +[1518-09-03 00:20] falls asleep +[1518-04-13 00:46] wakes up +[1518-06-14 23:50] Guard #983 begins shift +[1518-09-12 00:48] falls asleep +[1518-09-11 23:57] Guard #73 begins shift +[1518-07-26 00:51] wakes up +[1518-09-01 00:45] falls asleep +[1518-05-30 00:53] wakes up +[1518-08-09 00:28] falls asleep +[1518-10-03 00:29] falls asleep +[1518-09-02 00:49] wakes up +[1518-09-06 00:03] falls asleep +[1518-03-18 23:49] Guard #3449 begins shift +[1518-07-04 00:03] Guard #2411 begins shift +[1518-08-01 00:21] falls asleep +[1518-06-15 00:44] wakes up +[1518-11-22 23:56] Guard #3499 begins shift +[1518-06-14 00:08] falls asleep +[1518-08-01 00:03] Guard #1291 begins shift +[1518-05-26 00:56] wakes up +[1518-07-17 23:47] Guard #1091 begins shift +[1518-11-02 00:03] Guard #3559 begins shift +[1518-04-07 00:51] wakes up +[1518-06-03 00:56] wakes up +[1518-10-15 00:40] wakes up +[1518-07-29 00:40] falls asleep +[1518-06-25 00:18] falls asleep +[1518-08-06 00:51] falls asleep +[1518-05-23 00:11] falls asleep +[1518-09-10 23:59] Guard #2411 begins shift +[1518-08-23 00:59] wakes up +[1518-03-15 00:29] falls asleep +[1518-06-25 00:00] Guard #3499 begins shift +[1518-06-02 00:38] wakes up +[1518-07-25 00:29] falls asleep +[1518-04-19 00:49] wakes up +[1518-04-01 00:46] wakes up +[1518-11-10 23:49] Guard #241 begins shift +[1518-06-06 00:24] wakes up +[1518-07-04 00:22] falls asleep +[1518-05-28 00:54] wakes up +[1518-07-25 00:57] wakes up +[1518-03-30 00:54] falls asleep +[1518-11-10 00:58] wakes up +[1518-06-15 00:58] wakes up +[1518-03-25 23:58] Guard #1033 begins shift +[1518-08-10 00:00] Guard #3109 begins shift +[1518-11-05 23:48] Guard #73 begins shift +[1518-10-25 00:08] falls asleep +[1518-08-25 00:35] falls asleep +[1518-04-25 00:52] wakes up +[1518-04-05 23:57] Guard #2617 begins shift +[1518-09-20 00:55] falls asleep +[1518-08-11 00:52] wakes up +[1518-05-09 00:49] wakes up +[1518-08-02 00:38] wakes up +[1518-07-07 23:57] Guard #983 begins shift +[1518-09-29 00:42] wakes up +[1518-05-31 00:50] falls asleep +[1518-08-04 00:57] falls asleep +[1518-08-20 00:42] wakes up +[1518-10-28 00:57] falls asleep +[1518-11-20 00:54] wakes up +[1518-10-08 00:13] falls asleep +[1518-09-30 00:58] wakes up +[1518-07-18 23:53] Guard #3499 begins shift +[1518-03-15 23:50] Guard #1811 begins shift +[1518-07-23 00:33] falls asleep +[1518-08-26 00:35] wakes up +[1518-11-07 00:17] falls asleep +[1518-07-20 00:30] wakes up +[1518-10-13 23:52] Guard #2657 begins shift +[1518-05-21 00:31] wakes up +[1518-11-01 00:21] falls asleep +[1518-10-24 00:26] falls asleep +[1518-04-28 00:02] Guard #1811 begins shift +[1518-08-02 00:18] falls asleep +[1518-10-26 00:09] falls asleep +[1518-06-26 00:21] wakes up +[1518-11-17 00:48] falls asleep +[1518-08-28 00:45] falls asleep +[1518-09-08 00:26] wakes up +[1518-09-30 00:00] Guard #3499 begins shift +[1518-09-25 00:00] Guard #1091 begins shift +[1518-09-17 00:03] Guard #313 begins shift +[1518-05-11 00:10] falls asleep +[1518-11-18 00:32] wakes up +[1518-06-08 00:48] wakes up +[1518-08-06 00:00] falls asleep +[1518-09-23 00:06] falls asleep +[1518-05-25 00:29] falls asleep +[1518-08-31 00:22] falls asleep +[1518-07-11 00:55] falls asleep +[1518-11-10 00:50] falls asleep +[1518-04-28 00:33] falls asleep +[1518-11-13 00:05] falls asleep +[1518-07-25 00:49] falls asleep +[1518-04-07 00:14] falls asleep +[1518-09-05 23:50] Guard #3559 begins shift +[1518-03-31 23:58] Guard #3203 begins shift +[1518-07-24 00:03] Guard #823 begins shift +[1518-06-07 00:34] wakes up +[1518-05-15 00:19] falls asleep +[1518-04-09 00:05] falls asleep +[1518-07-30 00:06] falls asleep +[1518-10-17 00:01] Guard #3203 begins shift +[1518-06-19 00:45] falls asleep +[1518-05-16 00:20] falls asleep +[1518-08-22 00:33] wakes up +[1518-06-08 00:14] falls asleep +[1518-11-10 00:35] wakes up +[1518-08-19 00:50] wakes up +[1518-03-28 00:03] Guard #241 begins shift +[1518-07-23 00:04] Guard #2617 begins shift +[1518-06-13 00:26] falls asleep +[1518-05-08 23:56] Guard #2099 begins shift +[1518-03-22 23:50] Guard #3361 begins shift +[1518-08-21 23:58] Guard #313 begins shift +[1518-05-18 00:40] wakes up +[1518-04-29 00:01] falls asleep +[1518-08-08 00:54] wakes up +[1518-11-01 00:53] falls asleep +[1518-10-06 00:36] falls asleep +[1518-03-19 00:19] wakes up +[1518-05-28 00:11] falls asleep +[1518-04-03 00:04] Guard #313 begins shift +[1518-11-02 23:59] Guard #73 begins shift +[1518-03-24 00:42] wakes up +[1518-05-31 00:33] falls asleep +[1518-05-17 00:23] wakes up +[1518-08-08 00:41] falls asleep +[1518-09-22 00:08] falls asleep +[1518-11-01 00:31] wakes up +[1518-11-06 00:22] wakes up +[1518-04-08 23:51] Guard #3559 begins shift +[1518-11-11 00:39] wakes up +[1518-08-01 23:56] Guard #1033 begins shift +[1518-05-05 23:58] Guard #3499 begins shift +[1518-10-11 23:58] Guard #2099 begins shift +[1518-06-08 00:54] wakes up +[1518-05-23 00:21] falls asleep +[1518-04-04 00:22] falls asleep +[1518-05-26 00:02] Guard #919 begins shift +[1518-04-14 00:51] wakes up +[1518-07-20 00:13] falls asleep +[1518-07-07 00:02] Guard #2099 begins shift +[1518-10-18 00:15] falls asleep +[1518-09-09 23:58] Guard #241 begins shift +[1518-07-31 00:41] falls asleep +[1518-05-26 00:46] wakes up +[1518-11-09 00:39] wakes up +[1518-09-02 00:27] falls asleep +[1518-10-31 00:49] falls asleep +[1518-06-30 00:56] falls asleep +[1518-08-07 00:55] wakes up +[1518-06-06 23:59] Guard #3499 begins shift +[1518-03-24 00:58] wakes up +[1518-06-11 00:02] Guard #919 begins shift +[1518-06-11 00:14] falls asleep +[1518-07-17 00:41] wakes up +[1518-05-27 00:00] Guard #3499 begins shift +[1518-11-19 00:02] Guard #3109 begins shift +[1518-09-17 00:21] falls asleep +[1518-11-03 00:53] falls asleep +[1518-03-24 00:51] falls asleep +[1518-04-30 00:02] Guard #1499 begins shift +[1518-07-22 00:01] falls asleep +[1518-03-25 00:00] falls asleep +[1518-06-05 00:43] wakes up +[1518-06-05 00:56] falls asleep +[1518-08-24 00:35] wakes up +[1518-06-22 00:02] Guard #2411 begins shift +[1518-09-22 23:59] Guard #2657 begins shift +[1518-06-14 00:48] wakes up +[1518-07-09 00:00] Guard #3361 begins shift +[1518-10-20 00:53] wakes up +[1518-05-03 23:56] Guard #3559 begins shift +[1518-10-09 00:10] falls asleep +[1518-08-25 00:31] wakes up +[1518-06-10 00:57] wakes up +[1518-07-05 23:58] Guard #3361 begins shift +[1518-04-05 00:26] falls asleep +[1518-10-07 00:00] Guard #1811 begins shift +[1518-05-16 00:58] wakes up +[1518-08-25 00:11] falls asleep +[1518-04-24 00:58] wakes up +[1518-03-12 00:29] wakes up +[1518-05-07 00:35] wakes up +[1518-08-14 00:39] wakes up +[1518-08-16 00:36] wakes up +[1518-07-10 00:22] falls asleep +[1518-10-31 00:09] falls asleep +[1518-04-08 00:03] Guard #2411 begins shift +[1518-10-01 00:05] falls asleep +[1518-10-15 00:46] falls asleep +[1518-09-09 00:30] wakes up +[1518-03-14 00:50] wakes up +[1518-08-17 00:02] falls asleep +[1518-08-03 00:59] wakes up +[1518-03-26 00:56] wakes up +[1518-10-28 00:08] falls asleep +[1518-07-23 00:52] wakes up +[1518-05-15 00:49] wakes up +[1518-10-21 00:15] falls asleep +[1518-06-17 00:00] Guard #983 begins shift +[1518-05-07 00:52] falls asleep +[1518-08-31 00:58] wakes up +[1518-07-04 23:59] Guard #2099 begins shift +[1518-04-09 00:46] wakes up +[1518-06-03 00:36] falls asleep +[1518-05-06 00:06] falls asleep +[1518-04-07 00:01] Guard #1291 begins shift +[1518-06-17 00:15] falls asleep +[1518-09-24 00:53] wakes up +[1518-09-13 00:01] Guard #2099 begins shift +[1518-07-14 00:04] Guard #2579 begins shift +[1518-06-28 00:20] falls asleep +[1518-06-27 00:58] wakes up +[1518-05-02 00:19] falls asleep +[1518-04-19 00:44] falls asleep +[1518-08-09 00:45] wakes up +[1518-04-27 00:44] wakes up +[1518-07-15 00:53] wakes up +[1518-10-06 00:55] wakes up +[1518-09-08 00:25] falls asleep +[1518-06-03 00:55] falls asleep +[1518-05-28 00:43] wakes up +[1518-07-11 00:04] Guard #3559 begins shift +[1518-07-09 23:59] Guard #3499 begins shift +[1518-09-18 00:57] wakes up +[1518-11-14 00:01] falls asleep +[1518-10-08 23:58] Guard #1811 begins shift +[1518-04-12 00:50] wakes up +[1518-04-08 00:28] wakes up +[1518-04-10 00:59] wakes up +[1518-10-29 00:16] falls asleep +[1518-11-07 00:29] wakes up +[1518-08-13 23:50] Guard #2099 begins shift +[1518-10-10 00:49] wakes up +[1518-06-02 00:09] falls asleep +[1518-03-25 00:30] wakes up +[1518-09-04 23:46] Guard #2657 begins shift +[1518-03-30 23:58] Guard #1867 begins shift +[1518-05-03 00:04] falls asleep +[1518-11-19 00:50] falls asleep +[1518-07-08 00:37] wakes up +[1518-07-16 00:20] wakes up +[1518-08-27 00:31] falls asleep +[1518-04-15 00:23] wakes up +[1518-08-05 00:27] wakes up +[1518-07-05 00:13] wakes up +[1518-08-06 00:42] wakes up +[1518-05-28 00:03] Guard #3449 begins shift +[1518-04-14 00:13] falls asleep +[1518-10-16 00:45] falls asleep +[1518-07-29 00:00] Guard #1811 begins shift +[1518-05-24 00:57] wakes up +[1518-06-01 00:48] wakes up +[1518-09-12 00:29] wakes up +[1518-04-06 00:15] falls asleep +[1518-06-06 00:03] Guard #2657 begins shift +[1518-07-28 00:41] wakes up +[1518-09-30 00:39] falls asleep +[1518-06-30 00:59] wakes up +[1518-09-01 00:51] wakes up +[1518-08-04 00:59] wakes up +[1518-03-22 00:46] falls asleep +[1518-05-13 00:00] Guard #1499 begins shift +[1518-07-08 00:36] falls asleep +[1518-04-09 00:45] falls asleep +[1518-05-01 00:01] Guard #1499 begins shift +[1518-09-22 00:03] Guard #3559 begins shift +[1518-05-12 00:54] wakes up +[1518-11-04 00:57] wakes up +[1518-04-21 00:00] falls asleep +[1518-11-19 23:56] Guard #2617 begins shift +[1518-07-16 00:42] falls asleep +[1518-04-10 00:00] Guard #1811 begins shift +[1518-11-10 00:34] falls asleep +[1518-08-18 00:01] Guard #241 begins shift +[1518-08-04 00:45] wakes up +[1518-11-21 00:36] falls asleep +[1518-06-07 00:15] falls asleep +[1518-10-28 00:36] wakes up +[1518-07-15 23:57] Guard #2657 begins shift +[1518-06-29 00:46] falls asleep +[1518-03-17 00:54] wakes up +[1518-08-22 00:12] wakes up +[1518-11-20 00:26] wakes up +[1518-10-02 00:23] wakes up +[1518-07-26 00:43] wakes up +[1518-04-23 00:57] wakes up +[1518-04-22 23:57] Guard #2099 begins shift +[1518-03-21 00:46] falls asleep +[1518-04-04 00:30] wakes up +[1518-04-20 00:45] wakes up +[1518-08-31 00:47] falls asleep +[1518-09-16 00:34] wakes up +[1518-10-05 00:03] Guard #3499 begins shift +[1518-04-11 23:57] Guard #3499 begins shift +[1518-08-29 00:29] wakes up +[1518-10-13 00:43] falls asleep +[1518-07-12 00:29] falls asleep +[1518-05-08 00:55] wakes up +[1518-03-29 00:01] Guard #2579 begins shift +[1518-10-31 00:56] wakes up +[1518-11-17 00:49] wakes up +[1518-06-03 23:46] Guard #313 begins shift +[1518-05-02 00:48] wakes up +[1518-05-17 23:58] Guard #3499 begins shift +[1518-03-27 00:30] wakes up +[1518-09-21 00:02] Guard #2099 begins shift +[1518-05-22 00:30] wakes up +[1518-10-04 00:40] wakes up +[1518-03-23 00:49] wakes up +[1518-08-16 00:00] Guard #3361 begins shift +[1518-10-09 00:59] wakes up +[1518-03-30 00:48] wakes up +[1518-11-13 23:49] Guard #1811 begins shift +[1518-06-28 23:59] Guard #2657 begins shift +[1518-04-22 00:11] falls asleep +[1518-05-17 00:15] falls asleep +[1518-09-28 23:56] Guard #1811 begins shift +[1518-07-15 00:59] wakes up +[1518-09-26 23:59] Guard #3109 begins shift +[1518-03-14 00:56] falls asleep +[1518-08-06 00:11] wakes up +[1518-03-23 00:28] wakes up +[1518-11-07 23:52] Guard #3559 begins shift +[1518-10-14 00:44] wakes up +[1518-04-16 00:59] wakes up +[1518-07-20 00:00] Guard #241 begins shift +[1518-09-20 00:58] wakes up +[1518-05-01 00:49] falls asleep +[1518-05-15 00:03] Guard #241 begins shift +[1518-10-24 00:29] wakes up +[1518-10-03 23:59] Guard #2657 begins shift +[1518-10-24 00:47] wakes up +[1518-03-23 00:00] falls asleep +[1518-10-11 00:41] wakes up +[1518-08-28 00:03] Guard #983 begins shift +[1518-10-04 00:49] falls asleep +[1518-09-05 00:51] wakes up +[1518-04-03 00:58] wakes up +[1518-05-24 00:17] falls asleep +[1518-06-16 00:56] wakes up +[1518-06-20 23:57] Guard #3361 begins shift +[1518-06-27 00:37] wakes up +[1518-04-11 00:53] wakes up +[1518-03-24 00:41] falls asleep +[1518-04-05 00:01] Guard #2099 begins shift +[1518-06-14 00:00] Guard #3499 begins shift +[1518-03-27 00:44] wakes up +[1518-11-07 00:01] Guard #73 begins shift +[1518-09-25 00:55] wakes up +[1518-04-24 00:34] falls asleep +[1518-06-15 00:03] falls asleep +[1518-08-25 00:22] falls asleep +[1518-04-20 00:28] falls asleep +[1518-10-30 00:05] falls asleep +[1518-10-19 00:21] falls asleep +[1518-10-03 00:39] falls asleep +[1518-07-01 00:05] falls asleep +[1518-06-30 00:52] wakes up +[1518-04-26 00:40] wakes up +[1518-10-20 00:04] Guard #3203 begins shift +[1518-03-19 00:04] falls asleep +[1518-04-07 00:40] wakes up +[1518-05-05 00:55] wakes up +[1518-05-22 00:04] Guard #313 begins shift +[1518-06-08 23:47] Guard #241 begins shift +[1518-08-17 00:28] wakes up +[1518-06-17 00:25] wakes up +[1518-03-12 00:35] falls asleep +[1518-07-30 00:04] Guard #3109 begins shift +[1518-03-14 00:57] wakes up +[1518-07-11 00:56] wakes up +[1518-04-21 23:56] Guard #1811 begins shift +[1518-08-27 00:36] wakes up +[1518-06-09 00:53] wakes up +[1518-08-08 00:04] Guard #241 begins shift +[1518-03-22 00:58] wakes up +[1518-04-19 00:58] wakes up +[1518-04-18 00:00] Guard #1091 begins shift +[1518-09-28 00:48] wakes up +[1518-08-01 00:52] wakes up +[1518-03-19 00:29] falls asleep +[1518-04-04 00:02] Guard #983 begins shift +[1518-09-22 00:19] wakes up +[1518-06-15 23:59] Guard #1499 begins shift +[1518-05-10 00:29] wakes up +[1518-06-18 00:28] falls asleep +[1518-03-20 00:59] wakes up +[1518-08-26 00:15] falls asleep +[1518-10-24 00:01] Guard #3109 begins shift +[1518-07-15 00:57] falls asleep +[1518-06-05 00:59] wakes up +[1518-11-02 00:14] falls asleep +[1518-05-26 00:11] wakes up +[1518-11-04 23:56] Guard #3499 begins shift +[1518-10-08 00:53] falls asleep +[1518-09-25 00:25] falls asleep +[1518-09-25 23:56] Guard #3361 begins shift +[1518-06-24 00:04] Guard #1033 begins shift +[1518-05-07 00:04] Guard #1091 begins shift +[1518-08-18 00:29] falls asleep +[1518-09-13 00:47] falls asleep +[1518-04-02 00:53] wakes up +[1518-11-08 00:51] wakes up +[1518-09-02 23:56] Guard #3203 begins shift +[1518-08-06 00:55] wakes up +[1518-10-01 23:58] Guard #2411 begins shift +[1518-06-29 23:59] Guard #1811 begins shift +[1518-05-07 00:48] wakes up +[1518-11-12 00:37] falls asleep +[1518-10-16 00:00] Guard #2657 begins shift +[1518-07-07 00:29] falls asleep +[1518-07-17 00:45] falls asleep +[1518-11-01 00:57] wakes up +[1518-10-26 00:02] Guard #1291 begins shift +[1518-11-06 00:04] falls asleep +[1518-09-29 00:22] falls asleep +[1518-08-20 00:03] Guard #3499 begins shift +[1518-07-03 00:47] wakes up +[1518-05-01 00:25] wakes up +[1518-08-10 00:49] wakes up +[1518-03-13 00:55] wakes up +[1518-08-13 00:59] wakes up +[1518-06-08 00:53] falls asleep +[1518-07-17 00:06] falls asleep +[1518-06-25 00:41] wakes up +[1518-10-31 00:11] wakes up +[1518-05-05 00:32] falls asleep +[1518-06-23 00:40] wakes up +[1518-05-13 00:33] wakes up +[1518-04-17 00:53] falls asleep +[1518-05-01 00:09] falls asleep +[1518-03-14 00:22] falls asleep +[1518-10-27 00:01] Guard #1291 begins shift +[1518-06-04 00:01] falls asleep +[1518-10-16 00:50] wakes up +[1518-07-08 00:45] falls asleep +[1518-04-12 00:37] falls asleep +[1518-10-18 00:38] wakes up +[1518-09-14 00:10] falls asleep +[1518-07-01 00:40] falls asleep +[1518-11-08 00:20] falls asleep +[1518-03-30 00:59] wakes up +[1518-06-12 00:00] Guard #3499 begins shift +[1518-08-27 00:00] Guard #1291 begins shift +[1518-03-20 00:37] falls asleep +[1518-09-30 00:44] wakes up +[1518-09-20 00:43] wakes up +[1518-10-27 00:08] falls asleep +[1518-09-09 00:02] Guard #1091 begins shift +[1518-08-13 00:21] falls asleep +[1518-04-21 00:49] wakes up +[1518-11-16 23:56] Guard #919 begins shift +[1518-07-22 00:47] wakes up +[1518-10-03 00:50] falls asleep +[1518-09-26 00:50] wakes up +[1518-06-08 00:02] Guard #1811 begins shift +[1518-05-22 23:59] Guard #2617 begins shift +[1518-07-31 00:34] wakes up +[1518-10-22 23:52] Guard #313 begins shift +[1518-08-03 00:49] falls asleep +[1518-10-24 00:43] falls asleep +[1518-05-08 00:01] Guard #1033 begins shift +[1518-10-19 00:48] wakes up +[1518-10-13 00:04] Guard #1091 begins shift +[1518-07-18 00:18] wakes up +[1518-10-20 00:36] wakes up +[1518-10-04 00:33] falls asleep +[1518-05-08 00:11] wakes up +[1518-05-19 00:04] falls asleep +[1518-04-06 00:55] wakes up +[1518-08-10 00:38] wakes up +[1518-06-10 00:34] falls asleep +[1518-07-15 00:38] falls asleep +[1518-08-18 00:35] wakes up +[1518-03-27 00:18] falls asleep +[1518-08-10 00:45] falls asleep +[1518-07-30 00:22] wakes up +[1518-06-22 23:59] Guard #2657 begins shift +[1518-07-11 23:57] Guard #2617 begins shift +[1518-10-15 00:47] wakes up +[1518-08-25 00:02] Guard #1291 begins shift +[1518-06-24 00:12] falls asleep +[1518-03-16 23:57] Guard #2657 begins shift +[1518-10-18 00:02] Guard #2657 begins shift +[1518-05-11 00:58] wakes up +[1518-03-30 00:37] falls asleep +[1518-08-21 00:53] wakes up +[1518-07-09 00:57] wakes up +[1518-08-07 00:00] Guard #1499 begins shift +[1518-09-02 00:56] falls asleep +[1518-10-14 23:56] Guard #2099 begins shift +[1518-09-19 00:48] wakes up +[1518-05-30 00:04] Guard #1499 begins shift +[1518-11-11 00:04] falls asleep +[1518-03-21 00:57] wakes up +[1518-05-20 23:57] Guard #1811 begins shift +[1518-10-23 00:08] wakes up +[1518-07-02 23:57] Guard #1811 begins shift +[1518-10-28 23:58] Guard #241 begins shift +[1518-05-12 00:05] falls asleep +[1518-11-18 00:26] falls asleep +[1518-03-21 00:27] wakes up +[1518-07-29 00:50] wakes up +[1518-10-24 23:56] Guard #2657 begins shift +[1518-05-14 00:37] wakes up +[1518-08-04 00:00] Guard #1033 begins shift +[1518-06-20 00:52] wakes up +[1518-05-10 00:00] Guard #73 begins shift +[1518-08-19 00:02] Guard #1033 begins shift +[1518-03-16 00:03] falls asleep +[1518-03-12 00:03] Guard #2657 begins shift +[1518-06-22 00:48] wakes up +[1518-08-22 00:31] falls asleep +[1518-05-11 00:02] Guard #1811 begins shift +[1518-03-19 23:58] Guard #241 begins shift +[1518-04-10 00:53] falls asleep +[1518-10-21 23:57] Guard #919 begins shift +[1518-06-28 00:04] Guard #2657 begins shift +[1518-11-17 00:56] falls asleep +[1518-07-09 00:45] wakes up +[1518-06-11 00:44] wakes up +[1518-04-10 00:48] wakes up +[1518-11-01 00:37] falls asleep +[1518-05-20 00:36] falls asleep +[1518-05-23 23:56] Guard #1811 begins shift +[1518-04-18 23:56] Guard #3109 begins shift +[1518-05-31 00:02] Guard #2657 begins shift +[1518-05-17 00:00] Guard #241 begins shift +[1518-05-28 00:52] falls asleep +[1518-10-30 00:07] wakes up +[1518-08-30 00:26] falls asleep +[1518-03-17 23:57] Guard #241 begins shift +[1518-07-19 00:43] wakes up +[1518-08-09 00:03] Guard #3109 begins shift +[1518-09-11 00:41] wakes up +[1518-07-27 23:50] Guard #2099 begins shift +[1518-10-17 00:26] falls asleep +[1518-05-30 00:14] falls asleep +[1518-10-12 00:26] falls asleep +[1518-06-16 00:44] falls asleep +[1518-05-20 00:02] Guard #1033 begins shift +[1518-06-16 00:24] falls asleep +[1518-06-19 23:57] Guard #2411 begins shift +[1518-10-27 00:53] wakes up +[1518-06-10 00:53] falls asleep +[1518-05-05 00:43] falls asleep +[1518-09-04 00:03] Guard #2099 begins shift +[1518-05-23 00:14] wakes up +[1518-09-08 00:04] Guard #1291 begins shift +[1518-05-03 00:52] wakes up +[1518-07-25 00:03] Guard #1033 begins shift +[1518-07-08 00:59] wakes up +[1518-10-25 00:54] wakes up +[1518-11-08 00:00] falls asleep +[1518-06-20 00:47] falls asleep +[1518-05-08 00:49] wakes up +[1518-11-15 23:59] Guard #3109 begins shift +[1518-06-18 00:55] wakes up +[1518-03-11 00:04] Guard #1499 begins shift +[1518-08-29 00:44] falls asleep +[1518-05-16 00:28] falls asleep +[1518-11-03 23:56] Guard #1291 begins shift +[1518-04-26 00:18] falls asleep +[1518-07-21 00:00] Guard #919 begins shift +[1518-08-21 00:04] falls asleep +[1518-10-14 00:05] falls asleep +[1518-06-19 00:57] wakes up +[1518-08-27 00:54] wakes up +[1518-09-13 23:56] Guard #1499 begins shift +[1518-08-20 23:48] Guard #3559 begins shift +[1518-09-30 23:50] Guard #313 begins shift +[1518-08-20 00:37] falls asleep +[1518-07-18 00:03] falls asleep +[1518-04-23 00:17] wakes up +[1518-05-14 00:17] falls asleep +[1518-06-20 00:27] falls asleep +[1518-06-01 23:59] Guard #241 begins shift +[1518-06-05 00:52] wakes up +[1518-06-26 00:37] wakes up +[1518-05-28 00:14] wakes up +[1518-11-12 23:49] Guard #3449 begins shift +[1518-11-10 00:53] wakes up +[1518-06-05 00:00] Guard #983 begins shift +[1518-10-26 00:45] wakes up +[1518-11-03 00:55] wakes up +[1518-09-10 00:31] falls asleep +[1518-05-31 00:56] wakes up +[1518-11-14 00:31] wakes up +[1518-06-20 00:43] wakes up +[1518-06-09 00:45] falls asleep +[1518-10-18 00:48] wakes up +[1518-07-30 00:43] falls asleep +[1518-08-12 00:04] Guard #2657 begins shift +[1518-09-15 00:59] wakes up +[1518-05-07 00:16] falls asleep +[1518-09-14 00:56] wakes up +[1518-08-25 00:45] wakes up +[1518-04-07 00:55] falls asleep +[1518-07-13 00:32] wakes up +[1518-03-24 00:28] wakes up +[1518-11-22 00:40] wakes up +[1518-09-12 00:59] wakes up +[1518-03-12 00:47] wakes up +[1518-09-17 23:59] Guard #1291 begins shift +[1518-05-26 00:40] falls asleep +[1518-04-07 00:57] wakes up +[1518-03-17 00:48] falls asleep +[1518-09-10 00:56] wakes up +[1518-06-16 00:29] wakes up +[1518-09-04 00:41] wakes up +[1518-05-02 23:53] Guard #241 begins shift +[1518-08-17 00:43] falls asleep +[1518-09-17 00:59] wakes up +[1518-09-07 00:01] Guard #3499 begins shift +[1518-10-11 00:29] falls asleep +[1518-05-18 23:53] Guard #3109 begins shift +[1518-07-02 00:00] falls asleep +[1518-04-03 00:06] falls asleep +[1518-05-04 23:58] Guard #2657 begins shift +[1518-06-03 00:48] wakes up +[1518-06-10 00:48] wakes up +[1518-09-09 00:06] falls asleep +[1518-06-04 00:32] wakes up +[1518-08-19 00:32] falls asleep +[1518-06-17 00:31] falls asleep +[1518-11-17 23:59] Guard #1811 begins shift +[1518-04-27 00:43] falls asleep +[1518-05-26 00:06] falls asleep +[1518-07-03 00:07] falls asleep +[1518-05-16 00:00] Guard #983 begins shift +[1518-07-26 23:57] Guard #1867 begins shift +[1518-10-22 00:36] wakes up +[1518-09-10 00:39] falls asleep +[1518-05-20 00:59] wakes up +[1518-09-26 00:20] falls asleep +[1518-05-07 00:38] falls asleep +[1518-10-05 00:53] wakes up +[1518-07-05 00:39] falls asleep +[1518-11-20 00:09] falls asleep +[1518-03-19 00:34] wakes up +[1518-11-14 23:47] Guard #1291 begins shift +[1518-06-19 00:14] falls asleep +[1518-09-15 23:58] Guard #2617 begins shift +[1518-08-28 00:46] wakes up +[1518-07-28 00:04] falls asleep +[1518-11-19 00:57] wakes up +[1518-04-15 00:17] falls asleep +[1518-05-08 00:52] falls asleep +[1518-10-03 00:32] wakes up +[1518-07-05 00:51] wakes up +[1518-06-09 00:16] wakes up +[1518-04-28 00:43] wakes up +[1518-07-09 00:38] falls asleep diff --git a/src/04/part1 b/src/04/part1 new file mode 100644 index 0000000..f304657 --- /dev/null +++ b/src/04/part1 @@ -0,0 +1,76 @@ +--- Day 4: Repose Record --- + +You've sneaked into another supply closet - this time, it's across from the prototype suit +manufacturing lab. You need to sneak inside and fix the issues with the suit, but there's a guard +stationed outside the lab, so this is as close as you can safely get. + +As you search the closet for anything that might help, you discover that you're not the first person +to want to sneak in. Covering the walls, someone has spent an hour starting every midnight for the +past few months secretly observing this guard post! They've been writing down the ID of +the one guard on duty that night - the Elves seem to have decided that one guard was enough for the +overnight shift - as well as when they fall asleep or wake up while at their post (your puzzle +input). + +For example, consider the following records, which have already been organized into chronological +order: + +[1518-11-01 00:00] Guard #10 begins shift +[1518-11-01 00:05] falls asleep +[1518-11-01 00:25] wakes up +[1518-11-01 00:30] falls asleep +[1518-11-01 00:55] wakes up +[1518-11-01 23:58] Guard #99 begins shift +[1518-11-02 00:40] falls asleep +[1518-11-02 00:50] wakes up +[1518-11-03 00:05] Guard #10 begins shift +[1518-11-03 00:24] falls asleep +[1518-11-03 00:29] wakes up +[1518-11-04 00:02] Guard #99 begins shift +[1518-11-04 00:36] falls asleep +[1518-11-04 00:46] wakes up +[1518-11-05 00:03] Guard #99 begins shift +[1518-11-05 00:45] falls asleep +[1518-11-05 00:55] wakes up + +Timestamps are written using year-month-day hour:minute format. The guard falling asleep or waking +up is always the one whose shift most recently started. Because all asleep/awake times are during +the midnight hour (00:00 - 00:59), only the minute portion (00 - 59) is relevant for those events. + +Visually, these records show that the guards are asleep at these times: + +Date ID Minute + 000000000011111111112222222222333333333344444444445555555555 + 012345678901234567890123456789012345678901234567890123456789 +11-01 #10 .....####################.....#########################..... +11-02 #99 ........................................##########.......... +11-03 #10 ........................#####............................... +11-04 #99 ....................................##########.............. +11-05 #99 .............................................##########..... + +The columns are Date, which shows the month-day portion of the relevant day; ID, which shows the +guard on duty that day; and Minute, which shows the minutes during which the guard was asleep within +the midnight hour. (The Minute column's header shows the minute's ten's digit in the first row and +the one's digit in the second row.) Awake is shown as ., and asleep is shown as #. + +Note that guards count as asleep on the minute they fall asleep, and they count as awake on the +minute they wake up. For example, because Guard #10 wakes up at 00:25 on 1518-11-01, minute 25 is +marked as awake. + +If you can figure out the guard most likely to be asleep at a specific time, you might be able to +trick that guard into working tonight so you can have the best chance of sneaking in. You have two +strategies for choosing the best guard/minute combination. + +Strategy 1: Find the guard that has the most minutes asleep. What minute does that guard spend +asleep the most? + +In the example above, Guard #10 spent the most minutes asleep, a total of 50 minutes (20+25+5), +while Guard #99 only slept for a total of 30 minutes (10+10+10). Guard #10 was asleep most during +minute 24 (on two days, whereas any other minute the guard was asleep was only seen on one day). + +While this example listed the entries in chronological order, your entries are in the order you +found them. You'll need to organize them before they can be analyzed. + +What is the ID of the guard you chose multiplied by the minute you chose? (In the above example, the +answer would be 10 * 24 = 240.) + + diff --git a/src/04/part2 b/src/04/part2 new file mode 100644 index 0000000..1f6a3ed --- /dev/null +++ b/src/04/part2 @@ -0,0 +1,20 @@ +--- Part Two --- + +An Elf just remembered one more important detail: the two adjacent matching digits are not part of a +larger group of matching digits. + +Given this additional criterion, but still ignoring the range rule, the following are now true: + + + - 112233 meets these criteria because the digits never decrease and all repeated digits are exactly +two digits long. + + - 123444 no longer meets the criteria (the repeated 44 is part of a larger group of 444). + + - 111122 meets the criteria (even though 1 is repeated more than twice, it still contains a double +22). + + +How many different passwords within the range given in your puzzle input meet all of the criteria? + + diff --git a/src/04/solve.py b/src/04/solve.py new file mode 100644 index 0000000..0783b9b --- /dev/null +++ b/src/04/solve.py @@ -0,0 +1,92 @@ +import sys +sys.path.append("../common") +import aoc + +data = aoc.data.split("\n") + +def parse_entry(l): + split = l.split(" ") + date = " ".join(split[:2]) + time = int(split[1].split(":")[1].replace("]","")) + if split[2] == "Guard": + awake = None + id = int(split[3].replace("#","")) + else: + id = 0 + awake = (True if split[2] == "wakes" else False) + return time, id, awake, date + +class guard: + def __init__(self, _id): + self.shifts = list() + self.id = _id + self.awake = None + +def gen_shiftmap(): + shiftdata = [parse_entry(l) for l in data] + shiftdata = sorted(shiftdata, key=lambda x: x[3]) # sort by date + + shiftmap = dict() + ltime = shiftdata[0][0] + cgid = shiftdata[0][1] + for i in range(len(shiftdata)): + entry = shiftdata[i] + ctime = entry[0] + gid = entry[1] + cawake = entry[2] + + if gid != 0: + if gid not in shiftmap: + shiftmap[gid] = guard(gid) + cgid = gid + else: + g = shiftmap[cgid] + if cawake: + if not g.awake: + shiftmap[cgid].shifts.append((ltime, ctime - ltime)) + else: + ltime = ctime + g.awake = cawake + + return shiftmap + +def solve1(args): + shiftmap = gen_shiftmap() + + maxsleep = None + mg = None + for g in shiftmap.values(): + minslept = 0 + for t in g.shifts: + minslept += t[1] + if not maxsleep or minslept > maxsleep: + maxsleep = minslept + mg = g + + + timel = [0 for x in range(60)] + + for t in mg.shifts: + for i in range(t[0], t[0] + t[1]): + timel[(i-1)%60] += 1 + + minute = timel.index(max(timel))+1 + + return minute * mg.id + +def solve2(args): + shiftmap = gen_shiftmap() + timetables = dict() + + for g in shiftmap.values(): + timetables[g.id] = [0 for x in range(60)] + for t in g.shifts: + for i in range(t[0], t[0] + t[1]): + timetables[g.id][i] += 1 + + mgid, mmin = max(((gid, i) for gid in timetables for i in range(60)), + key = lambda x: timetables[x[0]][x[1]]) + + return mgid * mmin + +aoc.run(solve1, solve2, sols=[87681, 136461]) diff --git a/src/05/input b/src/05/input new file mode 100644 index 0000000..1b4b16c --- /dev/null +++ b/src/05/input @@ -0,0 +1 @@ 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 diff --git a/src/05/part1 b/src/05/part1 new file mode 100644 index 0000000..969c1a7 --- /dev/null +++ b/src/05/part1 @@ -0,0 +1,40 @@ +--- Day 5: Alchemical Reduction --- + +You've managed to sneak in to the prototype suit manufacturing lab. The Elves are making decent +progress, but are still struggling with the suit's size reduction capabilities. + +While the very latest in 1518 alchemical technology might have solved their problem eventually, you +can do better. You scan the chemical composition of the suit's material and discover that it is +formed by extremely long polymers (one of which is available as your puzzle input). + +The polymer is formed by smaller units which, when triggered, react with each other such that two +adjacent units of the same type and opposite polarity are destroyed. Units' types are represented by +letters; units' polarity is represented by capitalization. For instance, r and R are units with the +same type but opposite polarity, whereas r and s are entirely different types and do not react. + +For example: + + + - In aA, a and A react, leaving nothing behind. + + - In abBA, bB destroys itself, leaving aA. As above, this then destroys itself, leaving nothing. + + - In abAB, no two adjacent units are of the same type, and so nothing happens. + + - In aabAAB, even though aa and AA are of the same type, their polarities match, and so nothing +happens. + + +Now, consider a larger example, dabAcCaCBAcCcaDA: + +dabAcCaCBAcCcaDA The first 'cC' is removed. +dabAaCBAcCcaDA This creates 'Aa', which is removed. +dabCBAcCcaDA Either 'cC' or 'Cc' are removed (the result is the same). +dabCBAcaDA No further actions can be taken. + +After all possible reactions, the resulting polymer contains 10 units. + +How many units remain after fully reacting the polymer you scanned? (Note: in this puzzle and +others, the input is large; if you copy/paste your input, make sure you get the whole thing.) + + diff --git a/src/05/part2 b/src/05/part2 new file mode 100644 index 0000000..fce9042 --- /dev/null +++ b/src/05/part2 @@ -0,0 +1,75 @@ +--- Part Two --- + +The air conditioner comes online! Its cold air feels good for a while, but then the TEST alarms +start to go off. Since the air conditioner can't vent its heat anywhere but back into the +spacecraft, it's actually making the air inside the ship warmer. + +Instead, you'll need to use the TEST to extend the thermal radiators. Fortunately, the diagnostic +program (your puzzle input) is already equipped for this. Unfortunately, your Intcode computer is +not. + +Your computer is only missing a few opcodes: + + + - Opcode 5 is jump-if-true: if the first parameter is non-zero, it sets the instruction pointer to +the value from the second parameter. Otherwise, it does nothing. + + - Opcode 6 is jump-if-false: if the first parameter is zero, it sets the instruction pointer to the +value from the second parameter. Otherwise, it does nothing. + + - Opcode 7 is less than: if the first parameter is less than the second parameter, it stores 1 in +the position given by the third parameter. Otherwise, it stores 0. + + - Opcode 8 is equals: if the first parameter is equal to the second parameter, it stores 1 in the +position given by the third parameter. Otherwise, it stores 0. + + +Like all instructions, these instructions need to support parameter modes as described above. + +Normally, after an instruction is finished, the instruction pointer increases by the number of +values in that instruction. However, if the instruction modifies the instruction pointer, that value +is used and the instruction pointer is not automatically increased. + +For example, here are several programs that take one input, compare it to the value 8, and then +produce one output: + + + - 3,9,8,9,10,9,4,9,99,-1,8 - Using position mode, consider whether the input is equal to 8; output +1 (if it is) or 0 (if it is not). + + - 3,9,7,9,10,9,4,9,99,-1,8 - Using position mode, consider whether the input is less than 8; output +1 (if it is) or 0 (if it is not). + + - 3,3,1108,-1,8,3,4,3,99 - Using immediate mode, consider whether the input is equal to 8; output 1 +(if it is) or 0 (if it is not). + + - 3,3,1107,-1,8,3,4,3,99 - Using immediate mode, consider whether the input is less than 8; output +1 (if it is) or 0 (if it is not). + + +Here are some jump tests that take an input, then output 0 if the input was zero or 1 if the input +was non-zero: + + + - 3,12,6,12,15,1,13,14,13,4,13,99,-1,0,1,9 (using position mode) + + - 3,3,1105,-1,9,1101,0,0,12,4,12,99,1 (using immediate mode) + + +Here's a larger example: + +3,21,1008,21,8,20,1005,20,22,107,8,21,20,1006,20,31, +1106,0,36,98,0,0,1002,21,125,20,4,20,1105,1,46,104, +999,1105,1,46,1101,1000,1,20,4,20,1105,1,46,98,99 + +The above example program uses an input instruction to ask for a single number. The program will +then output 999 if the input value is below 8, output 1000 if the input value is equal to 8, or +output 1001 if the input value is greater than 8. + +This time, when the TEST diagnostic program runs its input instruction to get the ID of the system +to test, provide it 5, the ID for the ship's thermal radiator controller. This diagnostic test suite +only outputs one number, the diagnostic code. + +What is the diagnostic code for system ID 5? + + diff --git a/src/05/solve.py b/src/05/solve.py new file mode 100644 index 0000000..263f9fd --- /dev/null +++ b/src/05/solve.py @@ -0,0 +1,30 @@ +import sys +sys.path.append("../common") +import aoc + +data = aoc.data + +def react(s): + i = 0 + while i < len(s)-1: + cs = "".join(s[i:i+2]) + csl = cs.lower() + if csl[0] == csl[1] and cs[0] != cs[1]: + s.pop(i) + s.pop(i) + if i > 0: + i -= 1 + else: + i += 1 + + return len(s) + +def solve1(args): + return react(list(data)) + +def solve2(args): + react_wo = lambda x : react(list(data.replace(x, "").replace(x.upper(), ""))) + alph = "abcdefghijklmnopqrstuvwxyz" + return min((react_wo(c) for c in alph)) + +aoc.run(solve1, solve2, sols=[11364, 4212]) diff --git a/src/06/input b/src/06/input new file mode 100644 index 0000000..233e279 --- /dev/null +++ b/src/06/input @@ -0,0 +1,50 @@ +69, 102 +118, 274 +150, 269 +331, 284 +128, 302 +307, 192 +238, 52 +240, 339 +111, 127 +180, 156 +248, 265 +160, 69 +58, 136 +43, 235 +154, 202 +262, 189 +309, 53 +292, 67 +335, 198 +99, 199 +224, 120 +206, 313 +359, 352 +101, 147 +301, 47 +255, 347 +121, 153 +264, 343 +252, 225 +48, 90 +312, 139 +90, 277 +203, 227 +315, 328 +330, 81 +190, 191 +89, 296 +312, 255 +218, 181 +299, 149 +151, 254 +209, 212 +42, 76 +348, 183 +333, 227 +44, 210 +293, 356 +44, 132 +175, 77 +215, 109 \ No newline at end of file diff --git a/src/06/part1 b/src/06/part1 new file mode 100644 index 0000000..e34879f --- /dev/null +++ b/src/06/part1 @@ -0,0 +1,65 @@ +--- Day 6: Chronal Coordinates --- + +The device on your wrist beeps several times, and once again you feel like you're falling. + +"Situation critical," the device announces. "Destination indeterminate. Chronal interference +detected. Please specify new target coordinates." + +The device then produces a list of coordinates (your puzzle input). Are they places it thinks are +safe or dangerous? It recommends you check manual page 729. The Elves did not give you a manual. + +If they're dangerous, maybe you can minimize the danger by finding the coordinate that gives the +largest distance from the other points. + +Using only the Manhattan distance, determine the area around each coordinate by counting the number +of integer X,Y locations that are closest to that coordinate (and aren't tied in distance to any +other coordinate). + +Your goal is to find the size of the largest area that isn't infinite. For example, consider the +following list of coordinates: + +1, 1 +1, 6 +8, 3 +3, 4 +5, 5 +8, 9 + +If we name these coordinates A through F, we can draw them on a grid, putting 0,0 at the top left: + +.......... +.A........ +.......... +........C. +...D...... +.....E.... +.B........ +.......... +.......... +........F. + +This view is partial - the actual grid extends infinitely in all directions. Using the Manhattan +distance, each location's closest coordinate can be determined, shown here in lowercase: + +aaaaa.cccc +aAaaa.cccc +aaaddecccc +aadddeccCc +..dDdeeccc +bb.deEeecc +bBb.eeee.. +bbb.eeefff +bbb.eeffff +bbb.ffffFf + +Locations shown as . are equally far from two or more coordinates, and so they don't count as being +closest to any. + +In this example, the areas of coordinates A, B, C, and F are infinite - while not shown here, their +areas extend forever outside the visible grid. However, the areas of coordinates D and E are finite: +D is closest to 9 locations, and E is closest to 17 (both including the coordinate's location +itself). Therefore, in this example, the size of the largest area is 17. + +What is the size of the largest area that isn't infinite? + + diff --git a/src/06/part2 b/src/06/part2 new file mode 100644 index 0000000..1088955 --- /dev/null +++ b/src/06/part2 @@ -0,0 +1,61 @@ +--- Part Two --- + +Now, you just need to figure out how many orbital transfers you (YOU) need to take to get to Santa +(SAN). + +You start at the object YOU are orbiting; your destination is the object SAN is orbiting. An orbital +transfer lets you move from any object to an object orbiting or orbited by that object. + +For example, suppose you have the following map: + +COM)B +B)C +C)D +D)E +E)F +B)G +G)H +D)I +E)J +J)K +K)L +K)YOU +I)SAN + +Visually, the above map of orbits looks like this: + + YOU + / + G - H J - K - L + / / +COM - B - C - D - E - F + \ + I - SAN + +In this example, YOU are in orbit around K, and SAN is in orbit around I. To move from K to I, a +minimum of 4 orbital transfers are required: + + + - K to J + + - J to E + + - E to D + + - D to I + + +Afterward, the map of orbits looks like this: + + G - H J - K - L + / / +COM - B - C - D - E - F + \ + I - SAN + \ + YOU + +What is the minimum number of orbital transfers required to move from the object YOU are orbiting to +the object SAN is orbiting? (Between the objects they are orbiting - not between YOU and SAN.) + + diff --git a/src/06/solve.py b/src/06/solve.py new file mode 100644 index 0000000..f0627fe --- /dev/null +++ b/src/06/solve.py @@ -0,0 +1,76 @@ +import sys +sys.path.append("../common") +import aoc + +data = [[int(v) for v in l.split(",")] for l in aoc.data.split("\n")] + +minx = min(data, key = lambda x: x[0])[0] +maxx = max(data, key = lambda x: x[0])[0] +miny = min(data, key = lambda x: x[1])[1] +maxy = max(data, key = lambda x: x[1])[1] + +def closest(x, y): + mc = None + md = None + ad = None + for i in range(len(data)): + c = data[i] + dist = abs(c[0] - x) + abs(c[1] - y) + if md == None or dist < md: + md = dist + mc = i + ad = None + elif dist == md: + ad = dist + return mc, ad + +def combined_dist(x, y): + dist = 0 + for i in range(len(data)): + c = data[i] + dist += abs(c[0] - x) + abs(c[1] - y) + return dist + +def solve1(args): + areas = dict() + for x in range(minx, maxx): + for y in range(miny, maxy): + mc, ad = closest(x, y) + if ad == None: + if mc not in areas: + areas[mc] = 1 + else: + areas[mc] += 1 + + # remove outside points + for i in range(len(data)): + c = data[i] + mc, ac = closest(minx, c[1]) + if mc == i: + areas.pop(i) + continue + mc, ac = closest(maxx, c[1]) + if mc == i: + areas.pop(i) + continue + mc, ac = closest(c[0], miny) + if mc == i: + areas.pop(i) + continue + mc, ac = closest(c[0], maxy) + if mc == i: + areas.pop(i) + continue + + return max(areas.values()) + +def solve2(args): + safezone = 0 + for x in range(minx, maxx): + for y in range(miny, maxy): + dist = combined_dist(x,y) + if dist < 10000: + safezone += 1 + return safezone + +aoc.run(solve1, solve2, sols=[3276, 38380]) diff --git a/src/07/input b/src/07/input new file mode 100644 index 0000000..77b5f0c --- /dev/null +++ b/src/07/input @@ -0,0 +1,101 @@ +Step S must be finished before step V can begin. +Step J must be finished before step T can begin. +Step N must be finished before step Q can begin. +Step O must be finished before step H can begin. +Step I must be finished before step C can begin. +Step Y must be finished before step R can begin. +Step K must be finished before step B can begin. +Step A must be finished before step C can begin. +Step B must be finished before step D can begin. +Step W must be finished before step T can begin. +Step E must be finished before step V can begin. +Step Q must be finished before step L can begin. +Step U must be finished before step P can begin. +Step R must be finished before step C can begin. +Step V must be finished before step M can begin. +Step X must be finished before step P can begin. +Step G must be finished before step T can begin. +Step T must be finished before step Z can begin. +Step Z must be finished before step M can begin. +Step F must be finished before step C can begin. +Step M must be finished before step L can begin. +Step D must be finished before step C can begin. +Step H must be finished before step L can begin. +Step L must be finished before step P can begin. +Step P must be finished before step C can begin. +Step S must be finished before step Q can begin. +Step M must be finished before step P can begin. +Step S must be finished before step T can begin. +Step U must be finished before step T can begin. +Step X must be finished before step H can begin. +Step Q must be finished before step G can begin. +Step Y must be finished before step U can begin. +Step H must be finished before step C can begin. +Step O must be finished before step F can begin. +Step S must be finished before step P can begin. +Step B must be finished before step E can begin. +Step S must be finished before step D can begin. +Step R must be finished before step X can begin. +Step Z must be finished before step D can begin. +Step J must be finished before step C can begin. +Step Z must be finished before step F can begin. +Step K must be finished before step T can begin. +Step T must be finished before step H can begin. +Step E must be finished before step H can begin. +Step D must be finished before step L can begin. +Step O must be finished before step A can begin. +Step V must be finished before step T can begin. +Step V must be finished before step X can begin. +Step Q must be finished before step X can begin. +Step O must be finished before step K can begin. +Step L must be finished before step C can begin. +Step W must be finished before step H can begin. +Step I must be finished before step T can begin. +Step M must be finished before step H can begin. +Step V must be finished before step G can begin. +Step K must be finished before step P can begin. +Step E must be finished before step X can begin. +Step V must be finished before step C can begin. +Step Y must be finished before step W can begin. +Step J must be finished before step G can begin. +Step B must be finished before step C can begin. +Step B must be finished before step Z can begin. +Step K must be finished before step R can begin. +Step Y must be finished before step V can begin. +Step X must be finished before step G can begin. +Step J must be finished before step K can begin. +Step A must be finished before step M can begin. +Step T must be finished before step M can begin. +Step W must be finished before step D can begin. +Step G must be finished before step F can begin. +Step A must be finished before step B can begin. +Step W must be finished before step F can begin. +Step Y must be finished before step P can begin. +Step B must be finished before step V can begin. +Step N must be finished before step G can begin. +Step J must be finished before step H can begin. +Step S must be finished before step L can begin. +Step A must be finished before step R can begin. +Step X must be finished before step D can begin. +Step Y must be finished before step M can begin. +Step H must be finished before step P can begin. +Step F must be finished before step D can begin. +Step S must be finished before step G can begin. +Step K must be finished before step C can begin. +Step W must be finished before step Z can begin. +Step A must be finished before step Z can begin. +Step O must be finished before step Y can begin. +Step U must be finished before step C can begin. +Step X must be finished before step M can begin. +Step Y must be finished before step A can begin. +Step F must be finished before step P can begin. +Step J must be finished before step Y can begin. +Step R must be finished before step G can begin. +Step Y must be finished before step Q can begin. +Step D must be finished before step P can begin. +Step O must be finished before step U can begin. +Step O must be finished before step I can begin. +Step E must be finished before step L can begin. +Step G must be finished before step Z can begin. +Step T must be finished before step F can begin. +Step Q must be finished before step F can begin. diff --git a/src/07/part1 b/src/07/part1 new file mode 100644 index 0000000..2006578 --- /dev/null +++ b/src/07/part1 @@ -0,0 +1,65 @@ +--- Day 7: The Sum of Its Parts --- + +You find yourself standing on a snow-covered coastline; apparently, you landed a little off course. +The region is too hilly to see the North Pole from here, but you do spot some Elves that seem to be +trying to unpack something that washed ashore. It's quite cold out, so you decide to risk creating a +paradox by asking them for directions. + +"Oh, are you the search party?" Somehow, you can understand whatever Elves from the year 1018 speak; +you assume it's Ancient Nordic Elvish. Could the device on your wrist also be a translator? "Those +clothes don't look very warm; take this." They hand you a heavy coat. + +"We do need to find our way back to the North Pole, but we have higher priorities at the moment. You +see, believe it or not, this box contains something that will solve all of Santa's transportation +problems - at least, that's what it looks like from the pictures in the instructions." It doesn't +seem like they can read whatever language it's in, but you can: "Sleigh kit. Some assembly +required." + +"'Sleigh'? What a wonderful name! You must help us assemble this 'sleigh' at once!" They start +excitedly pulling more parts out of the box. + +The instructions specify a series of steps and requirements about which steps must be finished +before others can begin (your puzzle input). Each step is designated by a single letter. For +example, suppose you have the following instructions: + +Step C must be finished before step A can begin. +Step C must be finished before step F can begin. +Step A must be finished before step B can begin. +Step A must be finished before step D can begin. +Step B must be finished before step E can begin. +Step D must be finished before step E can begin. +Step F must be finished before step E can begin. + +Visually, these requirements look like this: + + -->A--->B-- + / \ \ +C -->D----->E + \ / + ---->F----- + +Your first goal is to determine the order in which the steps should be completed. If more than one +step is ready, choose the step which is first alphabetically. In this example, the steps would be +completed as follows: + + + - Only C is available, and so it is done first. + + - Next, both A and F are available. A is first alphabetically, so it is done next. + + - Then, even though F was available earlier, steps B and D are now also available, and +B is the first alphabetically of the three. + + - After that, only D and F are available. E is not available because only some of its prerequisites +are complete. Therefore, D is completed next. + + - F is the only choice, so it is done next. + + - Finally, E is completed. + + +So, in this example, the correct order is CABDFE. + +In what order should the steps in your instructions be completed? + + diff --git a/src/07/part2 b/src/07/part2 new file mode 100644 index 0000000..d79d8a1 --- /dev/null +++ b/src/07/part2 @@ -0,0 +1,54 @@ +--- Part Two --- + +It's no good - in this configuration, the amplifiers can't generate a large enough output signal to +produce the thrust you'll need. The Elves quickly talk you through rewiring the amplifiers into a +feedback loop: + + O-------O O-------O O-------O O-------O O-------O +0 -+->| Amp A |->| Amp B |->| Amp C |->| Amp D |->| Amp E |-. + | O-------O O-------O O-------O O-------O O-------O | + | | + '--------------------------------------------------------+ + | + v + (to thrusters) + +Most of the amplifiers are connected as they were before; amplifier A's output is connected to +amplifier B's input, and so on. However, the output from amplifier E is now connected into amplifier +A's input. This creates the feedback loop: the signal will be sent through the amplifiers +many times. + +In feedback loop mode, the amplifiers need totally different phase settings: integers from 5 to 9, +again each used exactly once. These settings will cause the Amplifier Controller Software to +repeatedly take input and produce output many times before halting. Provide each amplifier its phase +setting at its first input instruction; all further input/output instructions are for signals. + +Don't restart the Amplifier Controller Software on any amplifier during this process. Each one +should continue receiving and sending signals until it halts. + +All signals sent or received in this process will be between pairs of amplifiers except the very +first signal and the very last signal. To start the process, a 0 signal is sent to amplifier A's +input exactly once. + +Eventually, the software on the amplifiers will halt after they have processed the final loop. When +this happens, the last output signal from amplifier E is sent to the thrusters. Your job is to +find the largest output signal that can be sent to the thrusters using the new phase settings and +feedback loop arrangement. + +Here are some example programs: + + + - Max thruster signal 139629729 (from phase setting sequence 9,8,7,6,5): +3,26,1001,26,-4,26,3,27,1002,27,2,27,1,27,26, +27,4,27,1001,28,-1,28,1005,28,6,99,0,0,5 + + - Max thruster signal 18216 (from phase setting sequence 9,7,8,5,6): +3,52,1001,52,-5,52,3,53,1,52,56,54,1007,54,5,55,1005,55,26,1001,54, +-5,54,1105,1,12,1,53,54,53,1008,54,0,55,1001,55,1,55,2,53,55,53,4, +53,1001,56,-1,56,1005,56,6,99,0,0,0,0,10 + + +Try every combination of the new phase settings on the amplifier feedback loop. What is the highest +signal that can be sent to the thrusters? + + diff --git a/src/07/solve.py b/src/07/solve.py new file mode 100644 index 0000000..8d7c708 --- /dev/null +++ b/src/07/solve.py @@ -0,0 +1,105 @@ +import sys +sys.path.append("../common") +import aoc + +data = aoc.data.split("\n") + +def remove_reqs(req, insts): + for res in insts: + if req in insts[res]: + insts[res].remove(req) + +def parse_entry(l): + split = l.split(" ") + firstl = split[1] + nextl = split[-3] + return firstl, nextl + +def gen_insts(): + global data + data = [parse_entry(l) for l in data if len(l) != 0] + + insts = dict() + + for ins in data: + req = ins[0] + res = ins[1] + if res not in insts: + insts[res] = [ req ] + else: + insts[res].append(req) + + values = list(insts.values())[:] + for reslist in values: + for res in reslist: + if res not in insts: + insts[res] = [] + + return insts + +def overlap(arr1, arr2): + for a1 in arr1: + if a1 in arr2: + return True + return False + +def checkfail(workers): + done = True + for w in workers: + if w[2]: + done = False + break + return done + +def solve1(args): + insts = gen_insts() + + i = 0 + plan = list() + while i < len(insts): + res = sorted(insts.keys())[i] # alphabetically + if len(insts[res]) == 0: + plan.append(res) + insts.pop(res, None) + remove_reqs(res, insts) + i = 0 + else: + i += 1 + + return "".join(plan) + +def solve2(args): + insts = gen_insts() + + # worker: (task, time, done) + workers = [["", 0, False] for x in range(5)] + + time = -1 + stop = False + while not stop: + time += 1 + for i in range(len(workers)): + w = workers[i] + if time >= w[1]: + if w[2]: + remove_reqs(w[0], insts) + aoc.debug("end : " + str(i) + " - " + str((w[0], w[1]))) + w[2] = False + if len(insts) == 0 and checkfail(workers): + stop = True + break + + for i in range(len(workers)): + w = workers[i] + if time >= w[1]: + for res in sorted(insts.keys()): + if len(insts[res]) == 0: + wtime = time + ord(res)-65+1 + 60 + aoc.debug("start : " + str(i) + " - " + str((res, time))) + w[:] = (res, wtime, True) + insts.pop(res, None) + break + + return time + +aoc.run(solve1, solve2, sols=["JNOIKSYABEQRUVWXGTZFDMHLPC", 1099]) diff --git a/src/08/input b/src/08/input new file mode 100644 index 0000000..bbf272c --- /dev/null +++ b/src/08/input @@ -0,0 +1 @@ +7 11 6 3 5 5 3 6 1 7 0 10 1 7 4 5 1 3 1 5 9 1 1 3 2 1 3 1 2 1 6 0 9 2 5 9 4 1 1 2 7 2 3 1 3 3 1 3 1 9 0 9 1 7 9 9 1 7 9 5 8 2 1 3 3 3 2 1 2 2 5 2 1 3 2 1 3 6 1 6 0 7 1 2 6 4 4 3 4 1 2 2 1 2 3 1 9 0 11 9 2 3 2 6 7 1 4 5 3 4 1 1 3 1 3 3 2 3 1 1 8 0 7 1 3 6 8 8 3 8 1 3 1 1 2 2 3 3 3 1 5 2 2 1 3 6 1 8 0 10 7 3 1 4 9 5 4 4 8 6 2 1 1 1 1 3 3 3 1 9 0 10 7 9 1 2 2 1 3 9 2 3 2 1 3 2 2 1 1 2 1 1 9 0 8 1 6 1 8 5 1 1 1 1 1 3 1 3 3 3 1 1 2 4 4 4 2 1 3 5 1 6 0 6 1 8 5 2 1 9 3 3 1 1 1 3 1 7 0 10 2 6 9 7 8 1 1 3 2 1 3 1 2 2 1 2 3 1 8 0 6 1 9 6 1 9 5 1 2 1 1 3 3 1 2 4 2 2 2 5 3 7 1 9 0 8 5 9 3 1 4 3 1 5 1 2 1 1 3 1 2 1 2 1 5 0 8 5 1 3 6 3 1 3 9 3 1 3 3 2 1 7 0 11 7 8 5 4 9 6 2 8 7 1 9 3 1 2 2 1 3 1 5 5 5 5 5 1 4 1 3 5 5 2 5 3 3 7 1 7 0 11 3 1 4 9 2 7 7 9 5 5 9 2 3 1 2 3 3 3 1 9 0 10 9 5 1 6 9 4 1 6 1 1 3 3 2 3 3 1 3 3 3 1 6 0 8 7 4 4 1 1 1 8 3 3 1 1 1 2 2 5 4 4 3 2 3 3 3 7 1 7 0 9 1 9 3 5 5 4 3 3 1 1 3 1 3 1 2 2 1 6 0 6 1 8 1 4 1 5 3 1 2 1 1 1 1 5 0 8 2 4 3 4 4 4 3 1 1 1 1 3 3 5 5 3 5 2 5 2 3 6 1 8 0 7 7 9 1 1 8 1 2 3 2 2 1 2 1 1 1 1 7 0 7 7 6 3 5 1 8 8 1 3 3 1 2 3 3 1 6 0 10 9 4 6 1 9 4 2 1 1 4 1 1 3 1 2 2 4 4 1 3 2 2 3 4 1 8 0 10 9 2 2 9 5 5 6 3 3 1 1 3 2 2 3 1 1 3 1 6 0 10 1 5 1 6 2 1 8 8 3 8 1 1 1 1 2 1 1 9 0 7 8 4 2 5 1 1 7 1 2 2 2 1 1 3 3 1 1 1 4 2 3 6 1 7 0 9 9 2 9 2 9 5 7 1 6 2 1 1 2 3 3 1 1 9 0 10 1 5 8 3 4 4 1 2 3 1 2 2 3 1 3 2 2 1 1 1 8 0 9 1 8 1 6 1 7 3 1 2 2 1 1 2 1 1 2 2 4 4 3 5 1 3 4 2 7 4 3 3 4 1 5 0 8 9 1 5 9 2 1 3 7 1 3 2 1 1 1 6 0 11 2 9 1 4 9 1 1 1 6 7 7 1 1 1 3 1 1 1 8 0 9 9 9 7 9 9 8 6 6 1 1 3 1 2 1 2 1 1 3 5 2 3 3 4 1 6 0 11 6 2 8 1 7 5 7 2 6 4 1 2 2 1 1 2 3 1 7 0 6 7 2 5 1 5 6 2 1 3 3 2 1 3 1 6 0 6 1 8 3 6 9 5 3 2 1 2 2 1 3 1 4 2 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1 1 3 9 1 3 3 2 3 3 1 1 6 0 10 1 6 1 4 3 1 9 3 7 4 3 1 2 3 3 1 1 3 3 2 2 5 1 3 6 1 9 0 11 9 5 1 4 7 6 2 4 1 2 2 2 1 1 1 2 2 2 1 3 1 5 0 7 2 1 7 7 1 2 1 1 1 3 1 3 1 9 0 9 7 9 4 7 6 6 6 1 9 1 1 3 2 2 1 1 2 3 1 2 5 2 5 2 1 1 1 7 2 4 4 3 5 1 9 0 6 5 1 3 8 2 1 2 1 1 2 2 1 2 2 2 1 6 0 8 9 9 7 1 3 8 1 2 2 3 1 2 2 1 1 5 0 9 1 4 7 9 5 3 7 1 7 2 2 2 1 1 1 2 1 1 2 3 7 1 5 0 10 4 9 6 2 4 1 6 6 3 5 2 1 1 2 3 1 6 0 7 1 4 9 7 5 5 1 2 1 1 2 1 3 1 6 0 10 5 3 2 3 2 5 9 6 1 2 1 3 1 1 2 1 2 4 4 5 4 3 1 3 6 1 5 0 9 1 1 2 4 7 8 4 7 3 1 2 3 1 1 1 7 0 11 6 4 2 6 7 4 1 2 2 3 1 1 2 3 2 2 2 3 1 7 0 8 9 1 7 8 8 2 3 1 1 3 3 2 1 1 2 3 1 2 2 2 5 3 6 1 6 0 9 8 6 5 9 7 1 1 2 7 1 3 2 3 1 1 1 8 0 7 6 1 8 5 7 7 1 1 1 1 1 2 1 3 2 1 8 0 11 9 1 6 6 1 9 1 7 2 8 1 1 1 2 3 3 3 3 1 1 5 1 2 3 2 2 3 2 2 5 4 3 6 1 8 0 6 8 8 1 9 4 1 1 1 2 2 3 3 3 3 1 9 0 10 5 5 6 3 5 1 3 6 3 4 2 2 2 3 2 1 3 2 1 1 7 0 8 4 1 1 8 4 6 6 7 3 1 1 3 2 1 1 3 1 2 3 3 2 3 6 1 6 0 6 8 1 2 6 3 9 1 3 3 3 1 3 1 5 0 8 2 1 2 4 4 9 3 1 1 1 1 1 1 1 7 0 7 1 5 1 5 3 2 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1 1 3 3 3 1 5 0 10 1 8 3 5 5 7 9 9 1 2 1 2 3 1 2 1 6 0 11 1 1 6 4 1 9 9 7 1 4 1 1 3 2 2 2 1 3 4 4 5 3 1 5 3 4 1 5 0 7 3 1 7 5 5 3 5 2 1 3 1 2 1 9 0 11 8 9 1 8 3 8 6 4 4 5 3 1 1 1 3 1 3 2 2 3 1 5 0 10 3 5 3 1 4 8 7 2 2 9 1 3 2 1 1 2 2 4 4 3 7 1 5 0 8 2 5 9 7 7 1 5 6 2 1 3 1 1 1 9 0 6 1 4 7 6 4 9 1 2 1 1 1 1 2 3 3 1 8 0 11 9 6 3 9 1 5 1 1 7 2 4 1 3 2 2 2 3 2 3 3 2 4 1 4 1 1 3 5 1 9 0 9 9 1 2 7 5 2 9 8 8 1 3 3 2 1 1 3 2 1 1 7 0 8 4 9 1 4 5 8 6 2 1 1 2 2 3 3 1 1 7 0 11 1 5 4 2 9 2 3 7 1 2 4 1 2 2 3 1 3 3 5 3 2 1 5 2 3 2 2 4 5 3 5 1 9 0 6 5 1 2 3 6 2 1 1 3 1 1 2 3 3 1 1 7 0 9 6 4 6 2 3 8 3 1 8 1 2 1 1 1 1 1 1 7 0 9 6 3 5 5 1 6 2 1 2 3 3 2 3 3 1 1 4 4 2 3 1 3 7 1 7 0 10 2 8 1 5 6 2 7 7 6 8 3 3 3 2 1 3 3 1 8 0 6 3 5 6 1 3 1 1 2 1 3 1 3 1 1 1 8 0 9 1 5 7 9 3 9 7 8 1 2 3 2 1 2 2 2 2 2 1 4 2 4 2 5 3 5 1 6 0 10 2 2 5 4 5 8 1 9 9 1 2 1 3 1 1 3 1 9 0 7 9 1 2 3 2 8 3 3 3 1 2 1 1 3 2 1 1 8 0 7 3 7 6 1 6 5 6 2 1 2 1 2 3 2 1 5 3 2 2 1 3 5 1 9 0 7 9 3 5 1 1 9 4 1 3 1 3 1 3 1 3 3 1 5 0 10 6 1 3 8 3 1 5 8 9 4 2 1 2 2 2 1 8 0 8 9 5 8 5 5 7 4 1 3 3 1 1 3 2 1 3 2 4 4 3 4 1 1 3 4 1 5 4 3 7 1 9 0 11 5 7 9 9 9 7 4 7 2 1 6 1 1 3 2 2 3 1 2 2 1 5 0 6 2 2 6 1 9 4 2 3 3 1 2 1 7 0 6 4 1 5 1 2 5 2 3 1 3 1 1 2 1 5 5 1 2 1 4 3 5 1 9 0 7 7 6 7 1 4 3 1 3 1 3 1 3 3 1 1 2 1 7 0 9 1 2 8 8 2 1 5 9 8 3 2 2 2 3 1 1 1 9 0 6 7 1 1 4 4 4 2 2 2 1 1 2 1 1 3 5 5 5 2 2 3 7 1 5 0 7 1 1 5 1 9 1 4 1 3 2 1 1 1 8 0 11 5 1 8 3 6 8 6 3 2 4 4 3 3 3 1 1 2 2 1 1 7 0 10 8 1 3 1 6 8 1 3 1 1 3 3 2 1 1 2 1 1 2 2 2 1 2 3 3 4 1 8 0 7 9 9 5 1 6 1 2 2 2 2 2 2 1 3 1 1 6 0 9 1 4 2 5 9 7 8 7 6 3 1 3 1 3 1 1 6 0 6 8 2 1 7 9 1 1 2 1 3 1 1 1 5 3 3 3 5 1 8 0 9 5 3 6 3 1 3 1 7 8 1 1 3 1 1 1 1 2 1 5 0 7 2 3 3 4 8 1 7 2 1 1 3 1 1 8 0 7 3 8 3 8 2 1 3 1 2 1 1 1 2 2 1 4 3 1 5 3 2 1 5 6 2 6 4 5 7 9 3 8 1 8 8 4 6 1 diff --git a/src/08/part1 b/src/08/part1 new file mode 100644 index 0000000..8a95507 --- /dev/null +++ b/src/08/part1 @@ -0,0 +1,58 @@ +--- Day 8: Memory Maneuver --- + +The sleigh is much easier to pull than you'd expect for something its weight. Unfortunately, neither +you nor the Elves know which way the North Pole is from here. + +You check your wrist device for anything that might help. It seems to have some kind of navigation +system! Activating the navigation system produces more bad news: "Failed to start navigation +system. Could not read software license file." + +The navigation system's license file consists of a list of numbers (your puzzle input). The numbers +define a data structure which, when processed, produces some kind of tree that can be used to +calculate the license number. + +The tree is made up of nodes; a single, outermost node forms the tree's root, and it contains all +other nodes in the tree (or contains nodes that contain nodes, and so on). + +Specifically, a node consists of: + + + - A header, which is always exactly two numbers: + + - The quantity of child nodes. + + - The quantity of metadata entries. + + + - Zero or more child nodes (as specified in the header). + + - One or more metadata entries (as specified in the header). + + + +Each child node is itself a node that has its own header, child nodes, and metadata. For example: + +2 3 0 3 10 11 12 1 1 0 1 99 2 1 1 2 +A---------------------------------- + B----------- C----------- + D----- + +In this example, each node of the tree is also marked with an underline starting with a letter for +easier identification. In it, there are four nodes: + + + - A, which has 2 child nodes (B, C) and 3 metadata entries (1, 1, 2). + + - B, which has 0 child nodes and 3 metadata entries (10, 11, 12). + + - C, which has 1 child node (D) and 1 metadata entry (2). + + - D, which has 0 child nodes and 1 metadata entry (99). + + +The first check done on the license file is to simply add up all of the metadata entries. In this +example, that sum is 1+1+2+10+11+12+2+99=138. + +What is the sum of all metadata entries? + + diff --git a/src/08/part2 b/src/08/part2 new file mode 100644 index 0000000..7c88e38 --- /dev/null +++ b/src/08/part2 @@ -0,0 +1,46 @@ +--- Part Two --- + +Now you're ready to decode the image. The image is rendered by stacking the layers and aligning the +pixels with the same positions in each layer. The digits indicate the color of the corresponding +pixel: 0 is black, 1 is white, and 2 is transparent. + +The layers are rendered with the first layer in front and the last layer in back. So, if a given +position has a transparent pixel in the first and second layers, a black pixel in the third layer, +and a white pixel in the fourth layer, the final image would have a black pixel at that position. + +For example, given an image 2 pixels wide and 2 pixels tall, the image data 0222112222120000 +corresponds to the following image layers: + +Layer 1: 02 + 22 + +Layer 2: 11 + 22 + +Layer 3: 22 + 12 + +Layer 4: 00 + 00 + +Then, the full image can be found by determining the top visible pixel in each position: + + + - The top-left pixel is black because the top layer is 0. + + - The top-right pixel is white because the top layer is 2 (transparent), but the second layer is 1. + + - The bottom-left pixel is white because the top two layers are 2, but the third layer is 1. + + - The bottom-right pixel is black because the only visible pixel in that position is 0 (from layer +4). + + +So, the final image looks like this: + +01 +10 + +What message is produced after decoding your image? + + diff --git a/src/08/solve.py b/src/08/solve.py new file mode 100644 index 0000000..bc999d8 --- /dev/null +++ b/src/08/solve.py @@ -0,0 +1,43 @@ +import sys +sys.path.append("../common") +import aoc + +data = [int(v) for v in aoc.data.split(" ")] + +def get_nodes(nsize, index): + nodes = list() + for i in range(nsize): + cnsize = data[index + 0] + mdsize = data[index + 1] + cnodes, index = get_nodes(cnsize, index + 2) + metadata = data[index:index + mdsize] + nodes.append([cnodes, metadata]) + index = index + mdsize + return nodes, index + +def node_sum(nodes): + metadata = 0 + for n in nodes: + metadata += sum(n[1]) + node_sum(n[0]) + return metadata + +def nodeValue(n): + if len(n[0]) == 0: + return sum(n[1]) + else: + value = 0 + for i in range(len(n[1])): + ni = n[1][i]-1 + if ni < len(n[0]): + value += nodeValue(n[0][ni]) + return value + +def solve1(args): + nodes, index = get_nodes(1, 0) + return node_sum(nodes) + +def solve2(args): + nodes, index = get_nodes(1, 0) + return nodeValue(nodes[0]) + +aoc.run(solve1, solve2, sols=[36307, 25154]) diff --git a/src/09/input b/src/09/input new file mode 100644 index 0000000..29b93ef --- /dev/null +++ b/src/09/input @@ -0,0 +1 @@ +418 players; last marble is worth 71339 points diff --git a/src/09/part1 b/src/09/part1 new file mode 100644 index 0000000..d9bccb0 --- /dev/null +++ b/src/09/part1 @@ -0,0 +1,78 @@ +--- Day 9: Marble Mania --- + +You talk to the Elves while you wait for your navigation system to initialize. To pass the time, +they introduce you to their favorite marble game. + +The Elves play this game by taking turns arranging the marbles in a circle according to very +particular rules. The marbles are numbered starting with 0 and increasing by 1 until every marble +has a number. + +First, the marble numbered 0 is placed in the circle. At this point, while it contains only a single +marble, it is still a circle: the marble is both clockwise from itself and counter-clockwise from +itself. This marble is designated the current marble. + +Then, each Elf takes a turn placing the lowest-numbered remaining marble into the circle between the +marbles that are 1 and 2 marbles clockwise of the current marble. (When the circle is large enough, +this means that there is one marble between the marble that was just placed and the current marble.) +The marble that was just placed then becomes the current marble. + +However, if the marble that is about to be placed has a number which is a multiple of 23, +something entirely different happens. First, the current player keeps the marble they would have +placed, adding it to their score. In addition, the marble 7 marbles counter-clockwise from the +current marble is removed from the circle and also added to the current player's score. The marble +located immediately clockwise of the marble that was removed becomes the new current marble. + +For example, suppose there are 9 players. After the marble with value 0 is placed in the middle, +each player (shown in square brackets) takes a turn. The result of each of those turns would produce +circles of marbles like this, where clockwise is to the right and the resulting current marble is in +parentheses: + +[-] (0) +[1] 0 (1) +[2] 0 (2) 1 +[3] 0 2 1 (3) +[4] 0 (4) 2 1 3 +[5] 0 4 2 (5) 1 3 +[6] 0 4 2 5 1 (6) 3 +[7] 0 4 2 5 1 6 3 (7) +[8] 0 (8) 4 2 5 1 6 3 7 +[9] 0 8 4 (9) 2 5 1 6 3 7 +[1] 0 8 4 9 2(10) 5 1 6 3 7 +[2] 0 8 4 9 2 10 5(11) 1 6 3 7 +[3] 0 8 4 9 2 10 5 11 1(12) 6 3 7 +[4] 0 8 4 9 2 10 5 11 1 12 6(13) 3 7 +[5] 0 8 4 9 2 10 5 11 1 12 6 13 3(14) 7 +[6] 0 8 4 9 2 10 5 11 1 12 6 13 3 14 7(15) +[7] 0(16) 8 4 9 2 10 5 11 1 12 6 13 3 14 7 15 +[8] 0 16 8(17) 4 9 2 10 5 11 1 12 6 13 3 14 7 15 +[9] 0 16 8 17 4(18) 9 2 10 5 11 1 12 6 13 3 14 7 15 +[1] 0 16 8 17 4 18 9(19) 2 10 5 11 1 12 6 13 3 14 7 15 +[2] 0 16 8 17 4 18 9 19 2(20)10 5 11 1 12 6 13 3 14 7 15 +[3] 0 16 8 17 4 18 9 19 2 20 10(21) 5 11 1 12 6 13 3 14 7 15 +[4] 0 16 8 17 4 18 9 19 2 20 10 21 5(22)11 1 12 6 13 3 14 7 15 +[5] 0 16 8 17 4 18(19) 2 20 10 21 5 22 11 1 12 6 13 3 14 7 15 +[6] 0 16 8 17 4 18 19 2(24)20 10 21 5 22 11 1 12 6 13 3 14 7 15 +[7] 0 16 8 17 4 18 19 2 24 20(25)10 21 5 22 11 1 12 6 13 3 14 7 15 + +The goal is to be the player with the highest score after the last marble is used up. Assuming the +example above ends after the marble numbered 25, the winning score is 23+9=32 (because player 5 kept +marble 23 and removed marble 9, while no other player got any points in this very short example +game). + +Here are a few more examples: + + + - 10 players; last marble is worth 1618 points: high score is 8317 + + - 13 players; last marble is worth 7999 points: high score is 146373 + + - 17 players; last marble is worth 1104 points: high score is 2764 + + - 21 players; last marble is worth 6111 points: high score is 54718 + + - 30 players; last marble is worth 5807 points: high score is 37305 + + +What is the winning Elf's score? + + diff --git a/src/09/part2 b/src/09/part2 new file mode 100644 index 0000000..f521c4d --- /dev/null +++ b/src/09/part2 @@ -0,0 +1,15 @@ +--- Part Two --- + +You now have a complete Intcode computer. + +Finally, you can lock on to the Ceres distress signal! You just need to boost your sensors using the +BOOST program. + +The program runs in sensor boost mode by providing the input instruction the value 2. Once run, it +will boost the sensors automatically, but it might take a few seconds to complete the operation on +slower hardware. In sensor boost mode, the program will output a single value: the coordinates of +the distress signal. + +Run the BOOST program in sensor boost mode. What are the coordinates of the distress signal? + + diff --git a/src/09/solve.py b/src/09/solve.py new file mode 100644 index 0000000..f0aa4bf --- /dev/null +++ b/src/09/solve.py @@ -0,0 +1,43 @@ +import sys +sys.path.append("../common") +import aoc + +from collections import deque + +words = aoc.data.split(" ") +playercount = int(words[0]) +lastworth = int(words[6]) + +def highscore(playercount, lastworth): + lastworth = lastworth - lastworth % 23 + + players = [0 for x in range(playercount)] + marbles = deque([0]) + pos = 0 + for i in range(1, lastworth+1): + if i % 23 == 0: + cp = (i-1) % playercount + players[cp] += i + marbles[(len(marbles) + pos - 7) % len(marbles)] + marbles.rotate((len(marbles) - 1 - pos) + 7) + marbles.pop() + pos = 0 + else: + if i < 3: + pos = 1 + marbles.rotate(1) + marbles.append(i) + else: + marbles.rotate((len(marbles)- 1 -pos) - 1) + marbles.append(i) + pos = len(marbles)-1 + + return max(players) + + +def solve1(args): + return highscore(playercount, lastworth) + +def solve2(args): + return highscore(playercount, lastworth * 100) + +aoc.run(solve1, solve2, sols=[412127, 3482394794]) diff --git a/src/10/input b/src/10/input new file mode 100644 index 0000000..2b803f1 --- /dev/null +++ b/src/10/input @@ -0,0 +1,337 @@ +position=< 21518, -21209> velocity=<-2, 2> +position=< 10842, 21423> velocity=<-1, -2> +position=< 32189, -21209> velocity=<-3, 2> +position=<-21158, -21218> velocity=< 2, 2> +position=<-31794, -53194> velocity=< 3, 5> +position=<-42469, 42743> velocity=< 4, -4> +position=<-53120, -31873> velocity=< 5, 3> +position=< 32177, -42536> velocity=<-3, 4> +position=< 53505, 32084> velocity=<-5, -3> +position=<-53091, 10764> velocity=< 5, -1> +position=<-53141, -21211> velocity=< 5, 2> +position=<-42429, 10764> velocity=< 4, -1> +position=<-10492, -31873> velocity=< 1, 3> +position=< 42819, -10550> velocity=<-4, 1> +position=<-53096, -10551> velocity=< 5, 1> +position=<-10492, -42536> velocity=< 1, 4> +position=<-10508, 42739> velocity=< 1, -4> +position=<-10471, -42533> velocity=< 1, 4> +position=< 53446, 32086> velocity=<-5, -3> +position=< 10820, -53195> velocity=<-1, 5> +position=< 10858, 21423> velocity=<-1, -2> +position=<-31810, -10553> velocity=< 3, 1> +position=<-10492, 32077> velocity=< 1, -3> +position=<-31799, -42527> velocity=< 3, 4> +position=<-10484, 42738> velocity=< 1, -4> +position=< 10862, 10767> velocity=<-1, -1> +position=<-10503, 10759> velocity=< 1, -1> +position=<-21130, 32081> velocity=< 2, -3> +position=<-42477, -31877> velocity=< 4, 3> +position=<-10452, -42530> velocity=< 1, 4> +position=<-10452, 53399> velocity=< 1, -5> +position=<-31826, 42744> velocity=< 3, -4> +position=<-42444, -10556> velocity=< 4, 1> +position=< 42824, -31873> velocity=<-4, 3> +position=<-10492, 32082> velocity=< 1, -3> +position=<-53092, 10759> velocity=< 5, -1> +position=< 21522, 42745> velocity=<-2, -4> +position=< 53474, -42532> velocity=<-5, 4> +position=<-31822, 42737> velocity=< 3, -4> +position=< 32131, -42529> velocity=<-3, 4> +position=<-10476, -53193> velocity=< 1, 5> +position=< 21473, -10551> velocity=<-2, 1> +position=<-10497, 21422> velocity=< 1, -2> +position=< 21469, 42741> velocity=<-2, -4> +position=< 21470, 10763> velocity=<-2, -1> +position=<-31807, 32086> velocity=< 3, -3> +position=< 32144, 32078> velocity=<-3, -3> +position=<-53120, -42531> velocity=< 5, 4> +position=<-31773, -31871> velocity=< 3, 3> +position=<-31800, -21218> velocity=< 3, 2> +position=< 53478, -21213> velocity=<-5, 2> +position=< 21498, 21424> velocity=<-2, -2> +position=< 42798, 32081> velocity=<-4, -3> +position=< 42790, 10761> velocity=<-4, -1> +position=<-31778, -10558> velocity=< 3, 1> +position=<-21106, 21418> velocity=< 2, -2> +position=<-31785, 53401> velocity=< 3, -5> +position=< 53497, -42536> velocity=<-5, 4> +position=< 53491, -42535> velocity=<-5, 4> +position=<-21115, -21218> velocity=< 2, 2> +position=< 53478, 53401> velocity=<-5, -5> +position=< 10835, 32077> velocity=<-1, -3> +position=<-10500, 21421> velocity=< 1, -2> +position=<-53142, -21212> velocity=< 5, 2> +position=<-10490, -31868> velocity=< 1, 3> +position=< 53506, 21419> velocity=<-5, -2> +position=< 21517, 10764> velocity=<-2, -1> +position=< 32136, 32082> velocity=<-3, -3> +position=<-42485, -42536> velocity=< 4, 4> +position=< 10821, -53195> velocity=<-1, 5> +position=<-42445, -10551> velocity=< 4, 1> +position=<-10473, -21214> velocity=< 1, 2> +position=< 42806, -53186> velocity=<-4, 5> +position=< 42791, 10767> velocity=<-4, -1> +position=<-53144, 32083> velocity=< 5, -3> +position=<-53096, 53402> velocity=< 5, -5> +position=<-21119, 42738> velocity=< 2, -4> +position=< 42824, 53404> velocity=<-4, -5> +position=< 21495, 32081> velocity=<-2, -3> +position=<-31782, 21421> velocity=< 3, -2> +position=<-21157, -31873> velocity=< 2, 3> +position=< 53478, 32083> velocity=<-5, -3> +position=< 53470, 53398> velocity=<-5, -5> +position=< 42797, 21422> velocity=<-4, -2> +position=<-21143, -31877> velocity=< 2, 3> +position=< 32144, -21216> velocity=<-3, 2> +position=<-10482, 32086> velocity=< 1, -3> +position=< 42831, -21216> velocity=<-4, 2> +position=<-42448, 53397> velocity=< 4, -5> +position=<-21135, -21213> velocity=< 2, 2> +position=< 42806, 32086> velocity=<-4, -3> +position=< 42805, 53404> velocity=<-4, -5> +position=<-53096, 32080> velocity=< 5, -3> +position=< 32155, 32077> velocity=<-3, -3> +position=< 53463, -10550> velocity=<-5, 1> +position=< 53475, 42737> velocity=<-5, -4> +position=< 21470, -31873> velocity=<-2, 3> +position=<-10452, -10550> velocity=< 1, 1> +position=< 10850, 21427> velocity=<-1, -2> +position=< 10854, 53398> velocity=<-1, -5> +position=<-10500, 53395> velocity=< 1, -5> +position=< 21497, 10759> velocity=<-2, -1> +position=< 32155, -42527> velocity=<-3, 4> +position=< 53505, -42534> velocity=<-5, 4> +position=<-21142, 53404> velocity=< 2, -5> +position=< 32176, -53193> velocity=<-3, 5> +position=<-42437, -53193> velocity=< 4, 5> +position=<-21163, 53396> velocity=< 2, -5> +position=< 32128, -42531> velocity=<-3, 4> +position=< 42798, -53195> velocity=<-4, 5> +position=< 42829, 32081> velocity=<-4, -3> +position=< 21510, -53192> velocity=<-2, 5> +position=<-53108, -21214> velocity=< 5, 2> +position=<-21124, 53399> velocity=< 2, -5> +position=<-21108, -31875> velocity=< 2, 3> +position=<-31794, 10768> velocity=< 3, -1> +position=< 10842, 21426> velocity=<-1, -2> +position=<-53142, 21424> velocity=< 5, -2> +position=<-42476, 53399> velocity=< 4, -5> +position=< 42816, -10554> velocity=<-4, 1> +position=< 32179, 42741> velocity=<-3, -4> +position=< 32171, 32081> velocity=<-3, -3> +position=<-10503, 32077> velocity=< 1, -3> +position=< 42813, 42745> velocity=<-4, -4> +position=< 21485, 42736> velocity=<-2, -4> +position=<-42444, 10762> velocity=< 4, -1> +position=<-31789, -53187> velocity=< 3, 5> +position=<-10480, 32077> velocity=< 1, -3> +position=< 32128, -10556> velocity=<-3, 1> +position=< 10858, -31869> velocity=<-1, 3> +position=<-53144, -42532> velocity=< 5, 4> +position=<-42461, -21215> velocity=< 4, 2> +position=<-42457, -10550> velocity=< 4, 1> +position=< 32186, 32083> velocity=<-3, -3> +position=<-42440, 53403> velocity=< 4, -5> +position=<-21130, 21419> velocity=< 2, -2> +position=< 42819, -21216> velocity=<-4, 2> +position=<-31810, -31874> velocity=< 3, 3> +position=<-53120, 32080> velocity=< 5, -3> +position=< 32178, -42536> velocity=<-3, 4> +position=< 21509, -31876> velocity=<-2, 3> +position=<-42436, -31868> velocity=< 4, 3> +position=<-42432, -21211> velocity=< 4, 2> +position=<-21155, 21422> velocity=< 2, -2> +position=<-53111, -42532> velocity=< 5, 4> +position=< 42819, -53188> velocity=<-4, 5> +position=<-21147, -21209> velocity=< 2, 2> +position=< 42840, 42741> velocity=<-4, -4> +position=<-31782, 32079> velocity=< 3, -3> +position=<-42448, -31871> velocity=< 4, 3> +position=< 21501, 53398> velocity=<-2, -5> +position=<-31797, 21426> velocity=< 3, -2> +position=<-42448, 53402> velocity=< 4, -5> +position=<-53110, -21214> velocity=< 5, 2> +position=< 32179, 32086> velocity=<-3, -3> +position=<-21138, 32080> velocity=< 2, -3> +position=< 10871, 32086> velocity=<-1, -3> +position=< 53470, 32082> velocity=<-5, -3> +position=<-53141, -53193> velocity=< 5, 5> +position=< 53462, -31868> velocity=<-5, 3> +position=<-21116, -42531> velocity=< 2, 4> +position=<-31782, -21212> velocity=< 3, 2> +position=<-42477, -31874> velocity=< 4, 3> +position=< 42836, -21218> velocity=<-4, 2> +position=<-31826, -53193> velocity=< 3, 5> +position=< 10818, 42740> velocity=<-1, -4> +position=< 53503, 10763> velocity=<-5, -1> +position=<-21109, -21215> velocity=< 2, 2> +position=<-21143, 53403> velocity=< 2, -5> +position=<-53120, 32078> velocity=< 5, -3> +position=<-31794, -10550> velocity=< 3, 1> +position=<-42473, 42740> velocity=< 4, -4> +position=<-31782, 53398> velocity=< 3, -5> +position=<-53120, -21218> velocity=< 5, 2> +position=<-53119, 53399> velocity=< 5, -5> +position=<-10500, 53404> velocity=< 1, -5> +position=< 53503, 53399> velocity=<-5, -5> +position=< 21498, 53396> velocity=<-2, -5> +position=<-31766, 42737> velocity=< 3, -4> +position=< 32138, -42532> velocity=<-3, 4> +position=< 32133, -10559> velocity=<-3, 1> +position=< 53505, 42738> velocity=<-5, -4> +position=< 21518, 21418> velocity=<-2, -2> +position=<-53144, 53399> velocity=< 5, -5> +position=<-31810, -42535> velocity=< 3, 4> +position=<-53099, -53187> velocity=< 5, 5> +position=<-31805, -42527> velocity=< 3, 4> +position=< 21478, 42740> velocity=<-2, -4> +position=< 53506, 53403> velocity=<-5, -5> +position=<-21165, -42533> velocity=< 2, 4> +position=< 10850, -21217> velocity=<-1, 2> +position=<-21143, -42528> velocity=< 2, 4> +position=<-31769, 42740> velocity=< 3, -4> +position=<-53088, -21211> velocity=< 5, 2> +position=<-53119, -31868> velocity=< 5, 3> +position=<-42448, 32084> velocity=< 4, -3> +position=<-53096, -31872> velocity=< 5, 3> +position=<-53091, -53186> velocity=< 5, 5> +position=< 42787, 10760> velocity=<-4, -1> +position=< 10861, 21427> velocity=<-1, -2> +position=< 53446, 53402> velocity=<-5, -5> +position=< 42832, 10759> velocity=<-4, -1> +position=< 21485, -42535> velocity=<-2, 4> +position=<-10482, -42532> velocity=< 1, 4> +position=< 53483, -53194> velocity=<-5, 5> +position=< 10835, -31868> velocity=<-1, 3> +position=< 53507, -10550> velocity=<-5, 1> +position=< 42815, 32077> velocity=<-4, -3> +position=< 10847, -42533> velocity=<-1, 4> +position=<-42448, 32084> velocity=< 4, -3> +position=<-21117, 32086> velocity=< 2, -3> +position=<-21167, 42742> velocity=< 2, -4> +position=<-31826, 21427> velocity=< 3, -2> +position=< 32181, 42745> velocity=<-3, -4> +position=< 32136, 10766> velocity=<-3, -1> +position=<-21138, 32085> velocity=< 2, -3> +position=< 21501, -21218> velocity=<-2, 2> +position=< 21510, -10557> velocity=<-2, 1> +position=<-31777, 21427> velocity=< 3, -2> +position=<-53084, 21426> velocity=< 5, -2> +position=<-31810, 21426> velocity=< 3, -2> +position=<-31797, -10556> velocity=< 3, 1> +position=<-31794, 42744> velocity=< 3, -4> +position=<-31773, -42529> velocity=< 3, 4> +position=< 10818, 32084> velocity=<-1, -3> +position=<-21149, -21209> velocity=< 2, 2> +position=< 10855, 32078> velocity=<-1, -3> +position=< 32186, -21215> velocity=<-3, 2> +position=< 53454, 42743> velocity=<-5, -4> +position=< 21530, 10759> velocity=<-2, -1> +position=< 42795, 53404> velocity=<-4, -5> +position=< 21522, 32078> velocity=<-2, -3> +position=<-21111, -42535> velocity=< 2, 4> +position=<-31826, 32079> velocity=< 3, -3> +position=<-21133, 10763> velocity=< 2, -1> +position=<-10499, 32077> velocity=< 1, -3> +position=< 32170, -21213> velocity=<-3, 2> +position=<-53096, 10765> velocity=< 5, -1> +position=< 42839, -10554> velocity=<-4, 1> +position=<-53101, 53400> velocity=< 5, -5> +position=<-31782, -21212> velocity=< 3, 2> +position=<-10508, -10556> velocity=< 1, 1> +position=<-53142, -31874> velocity=< 5, 3> +position=< 53479, 53399> velocity=<-5, -5> +position=<-31818, -31871> velocity=< 3, 3> +position=<-31789, -21217> velocity=< 3, 2> +position=< 32186, 10765> velocity=<-3, -1> +position=<-42427, -21215> velocity=< 4, 2> +position=<-21157, 10759> velocity=< 2, -1> +position=<-10448, 42737> velocity=< 1, -4> +position=< 21493, -10550> velocity=<-2, 1> +position=< 42819, -10557> velocity=<-4, 1> +position=< 42830, 10764> velocity=<-4, -1> +position=<-31794, -21211> velocity=< 3, 2> +position=<-21139, -10555> velocity=< 2, 1> +position=<-42441, 10766> velocity=< 4, -1> +position=< 32176, 42740> velocity=<-3, -4> +position=< 32136, 53401> velocity=<-3, -5> +position=<-10484, 42737> velocity=< 1, -4> +position=<-21138, 32079> velocity=< 2, -3> +position=<-10508, 10759> velocity=< 1, -1> +position=< 21522, 53396> velocity=<-2, -5> +position=<-31818, 21419> velocity=< 3, -2> +position=< 10867, -21213> velocity=<-1, 2> +position=< 21469, 21424> velocity=<-2, -2> +position=< 32139, -53191> velocity=<-3, 5> +position=< 42819, -21214> velocity=<-4, 2> +position=< 42803, -42534> velocity=<-4, 4> +position=< 10847, 53398> velocity=<-1, -5> +position=<-42437, -42528> velocity=< 4, 4> +position=< 21521, -42531> velocity=<-2, 4> +position=< 42835, 32080> velocity=<-4, -3> +position=<-10503, 21427> velocity=< 1, -2> +position=<-21167, -42527> velocity=< 2, 4> +position=< 21521, 32077> velocity=<-2, -3> +position=<-10484, -10553> velocity=< 1, 1> +position=<-10452, -42529> velocity=< 1, 4> +position=< 10847, -21213> velocity=<-1, 2> +position=< 53470, 21419> velocity=<-5, -2> +position=< 10862, -10551> velocity=<-1, 1> +position=<-42469, -31868> velocity=< 4, 3> +position=< 10838, -10550> velocity=<-1, 1> +position=< 32152, -42527> velocity=<-3, 4> +position=< 32176, 53401> velocity=<-3, -5> +position=<-31825, -10554> velocity=< 3, 1> +position=<-21167, -42528> velocity=< 2, 4> +position=<-21115, -31872> velocity=< 2, 3> +position=< 10866, -21217> velocity=<-1, 2> +position=< 21506, -10555> velocity=<-2, 1> +position=<-21143, 53399> velocity=< 2, -5> +position=<-10471, -31877> velocity=< 1, 3> +position=<-10508, 32085> velocity=< 1, -3> +position=< 10866, -10550> velocity=<-1, 1> +position=<-53088, -31877> velocity=< 5, 3> +position=<-10495, 10759> velocity=< 1, -1> +position=< 10847, 21418> velocity=<-1, -2> +position=<-10484, 42743> velocity=< 1, -4> +position=< 10818, 10764> velocity=<-1, -1> +position=< 32155, 42740> velocity=<-3, -4> +position=< 42787, 21423> velocity=<-4, -2> +position=< 53490, 21425> velocity=<-5, -2> +position=<-42448, 10764> velocity=< 4, -1> +position=<-21119, 53396> velocity=< 2, -5> +position=< 21528, -21211> velocity=<-2, 2> +position=< 53502, 10762> velocity=<-5, -1> +position=< 42820, -31873> velocity=<-4, 3> +position=< 21481, 53395> velocity=<-2, -5> +position=<-10468, -42527> velocity=< 1, 4> +position=< 32130, -21212> velocity=<-3, 2> +position=< 32181, -10554> velocity=<-3, 1> +position=< 32184, 53395> velocity=<-3, -5> +position=< 10851, -53188> velocity=<-1, 5> +position=< 21477, 42736> velocity=<-2, -4> +position=<-21159, 21426> velocity=< 2, -2> +position=<-31773, 10767> velocity=< 3, -1> +position=< 42827, 32077> velocity=<-4, -3> +position=<-31818, -21210> velocity=< 3, 2> +position=< 53458, -21218> velocity=<-5, 2> +position=<-10452, 42740> velocity=< 1, -4> +position=<-53142, -21215> velocity=< 5, 2> +position=< 10826, 53398> velocity=<-1, -5> +position=<-21166, 42741> velocity=< 2, -4> +position=<-42469, -53187> velocity=< 4, 5> +position=< 32173, 10768> velocity=<-3, -1> +position=< 53497, 10759> velocity=<-5, -1> +position=< 53449, -10557> velocity=<-5, 1> +position=< 32170, -53190> velocity=<-3, 5> +position=< 42843, -53187> velocity=<-4, 5> +position=< 10852, 32081> velocity=<-1, -3> +position=<-10499, 53395> velocity=< 1, -5> +position=< 21496, -53195> velocity=<-2, 5> +position=< 32157, 32084> velocity=<-3, -3> +position=< 42831, 10765> velocity=<-4, -1> +position=< 21498, -10556> velocity=<-2, 1> +position=< 42843, -53193> velocity=<-4, 5> +position=< 42811, -53189> velocity=<-4, 5> +position=<-42477, 53397> velocity=< 4, -5> diff --git a/src/10/part1 b/src/10/part1 new file mode 100644 index 0000000..df615e5 --- /dev/null +++ b/src/10/part1 @@ -0,0 +1,160 @@ +--- Day 10: The Stars Align --- + +It's no use; your navigation system simply isn't capable of providing walking directions in the +arctic circle, and certainly not in 1018. + +The Elves suggest an alternative. In times like these, North Pole rescue operations will arrange +points of light in the sky to guide missing Elves back to base. Unfortunately, the message is easy +to miss: the points move slowly enough that it takes hours to align them, but have so much momentum +that they only stay aligned for a second. If you blink at the wrong time, it might be hours before +another message appears. + +You can see these points of light floating in the distance, and record their position in the sky and +their velocity, the relative change in position per second (your puzzle input). The coordinates are +all given from your perspective; given enough time, those positions and velocities will move the +points into a cohesive message! + +Rather than wait, you decide to fast-forward the process and calculate what the points will +eventually spell. + +For example, suppose you note the following points: + +position=< 9, 1> velocity=< 0, 2> +position=< 7, 0> velocity=<-1, 0> +position=< 3, -2> velocity=<-1, 1> +position=< 6, 10> velocity=<-2, -1> +position=< 2, -4> velocity=< 2, 2> +position=<-6, 10> velocity=< 2, -2> +position=< 1, 8> velocity=< 1, -1> +position=< 1, 7> velocity=< 1, 0> +position=<-3, 11> velocity=< 1, -2> +position=< 7, 6> velocity=<-1, -1> +position=<-2, 3> velocity=< 1, 0> +position=<-4, 3> velocity=< 2, 0> +position=<10, -3> velocity=<-1, 1> +position=< 5, 11> velocity=< 1, -2> +position=< 4, 7> velocity=< 0, -1> +position=< 8, -2> velocity=< 0, 1> +position=<15, 0> velocity=<-2, 0> +position=< 1, 6> velocity=< 1, 0> +position=< 8, 9> velocity=< 0, -1> +position=< 3, 3> velocity=<-1, 1> +position=< 0, 5> velocity=< 0, -1> +position=<-2, 2> velocity=< 2, 0> +position=< 5, -2> velocity=< 1, 2> +position=< 1, 4> velocity=< 2, 1> +position=<-2, 7> velocity=< 2, -2> +position=< 3, 6> velocity=<-1, -1> +position=< 5, 0> velocity=< 1, 0> +position=<-6, 0> velocity=< 2, 0> +position=< 5, 9> velocity=< 1, -2> +position=<14, 7> velocity=<-2, 0> +position=<-3, 6> velocity=< 2, -1> + +Each line represents one point. Positions are given as pairs: X represents how far left +(negative) or right (positive) the point appears, while Y represents how far up (negative) or down +(positive) the point appears. + +At 0 seconds, each point has the position given. Each second, each point's velocity is added to its +position. So, a point with velocity <1, -2> is moving to the right, but is moving upward twice as +quickly. If this point's initial position were <3, 9>, after 3 seconds, its position would become +<6, 3>. + +Over time, the points listed above would move like this: + +Initially: +........#............. +................#..... +.........#.#..#....... +...................... +#..........#.#.......# +...............#...... +....#................. +..#.#....#............ +.......#.............. +......#............... +...#...#.#...#........ +....#..#..#.........#. +.......#.............. +...........#..#....... +#...........#......... +...#.......#.......... + +After 1 second: +...................... +...................... +..........#....#...... +........#.....#....... +..#.........#......#.. +...................... +......#............... +....##.........#...... +......#.#............. +.....##.##..#......... +........#.#........... +........#...#.....#... +..#...........#....... +....#.....#.#......... +...................... +...................... + +After 2 seconds: +...................... +...................... +...................... +..............#....... +....#..#...####..#.... +...................... +........#....#........ +......#.#............. +.......#...#.......... +.......#..#..#.#...... +....#....#.#.......... +.....#...#...##.#..... +........#............. +...................... +...................... +...................... + +After 3 seconds: +...................... +...................... +...................... +...................... +......#...#..###...... +......#...#...#....... +......#...#...#....... +......#####...#....... +......#...#...#....... +......#...#...#....... +......#...#...#....... +......#...#..###...... +...................... +...................... +...................... +...................... + +After 4 seconds: +...................... +...................... +...................... +............#......... +........##...#.#...... +......#.....#..#...... +.....#..##.##.#....... +.......##.#....#...... +...........#....#..... +..............#....... +....#......#...#...... +.....#.....##......... +...............#...... +...............#...... +...................... +...................... + +After 3 seconds, the message appeared briefly: HI. Of course, your message will be much longer and +will take many more seconds to appear. + +What message will eventually appear in the sky? + + diff --git a/src/10/part2 b/src/10/part2 new file mode 100644 index 0000000..09dce44 --- /dev/null +++ b/src/10/part2 @@ -0,0 +1,92 @@ +--- Part Two --- + +Once you give them the coordinates, the Elves quickly deploy an Instant Monitoring Station to the +location and discover the worst: there are simply too many asteroids. + +The only solution is complete vaporization by giant laser. + +Fortunately, in addition to an asteroid scanner, the new monitoring station also comes equipped with +a giant rotating laser perfect for vaporizing asteroids. The laser starts by pointing +up and always rotates clockwise, vaporizing any asteroid it hits. + +If multiple asteroids are exactly in line with the station, the laser only has enough power to +vaporize one of them before continuing its rotation. In other words, the same asteroids that can be +detected can be vaporized, but if vaporizing one asteroid makes another one detectable, the +newly-detected asteroid won't be vaporized until the laser has returned to the same position by +rotating a full 360 degrees. + +For example, consider the following map, where the asteroid with the new monitoring station (and +laser) is marked X: + +.#....#####...#.. +##...##.#####..## +##...#...#.#####. +..#.....X...###.. +..#.#.....#....## + +The first nine asteroids to get vaporized, in order, would be: + +.#....###24...#.. +##...##.13#67..9# +##...#...5.8####. +..#.....X...###.. +..#.#.....#....## + +Note that some asteroids (the ones behind the asteroids marked 1, 5, and 7) won't have a chance to +be vaporized until the next full rotation. The laser continues rotating; the next nine to be +vaporized are: + +.#....###.....#.. +##...##...#.....# +##...#......1234. +..#.....X...5##.. +..#.9.....8....76 + +The next nine to be vaporized are then: + +.8....###.....#.. +56...9#...#.....# +34...7........... +..2.....X....##.. +..1.............. + +Finally, the laser completes its first full rotation (1 through 3), a second rotation (4 through 8), +and vaporizes the last asteroid (9) partway through its third rotation: + +......234.....6.. +......1...5.....7 +................. +........X....89.. +................. + +In the large example above (the one with the best monitoring station location at 11,13): + + + - The 1st asteroid to be vaporized is at 11,12. + + - The 2nd asteroid to be vaporized is at 12,1. + + - The 3rd asteroid to be vaporized is at 12,2. + + - The 10th asteroid to be vaporized is at 12,8. + + - The 20th asteroid to be vaporized is at 16,0. + + - The 50th asteroid to be vaporized is at 16,9. + + - The 100th asteroid to be vaporized is at 10,16. + + - The 199th asteroid to be vaporized is at 9,6. + + - The 200th asteroid to be vaporized is at 8,2. + + - The 201st asteroid to be vaporized is at 10,9. + + - The 299th and final asteroid to be vaporized is at 11,1. + + +The Elves are placing bets on which will be the 200th asteroid to be vaporized. Win the bet by +determining which asteroid that will be; what do you get if you multiply its X coordinate by 100 and +then add its Y coordinate? (For example, 8,2 becomes 802.) + + diff --git a/src/10/solve.py b/src/10/solve.py new file mode 100644 index 0000000..7800379 --- /dev/null +++ b/src/10/solve.py @@ -0,0 +1,105 @@ +import sys +sys.path.append("../common") +import aoc + +def parse_line(l): + s = l.split(">") + vals = list() + for ss in s: + if len(ss) == 0: + continue + ss = ss.split("<",1)[1] + vals.append([int(x) for x in ss.split(",")]) + return vals + +data = [parse_line(l) for l in aoc.data.split("\n") if len(l) != 0] +posdata = [x[0] for x in data] +veldata = [x[1] for x in data] + +def check_adj(pi): + for p in posdata: + if abs(p[0] - pi[0]) + abs(p[1] - pi[1]) == 1: + return True + return False + +def check_data(): + for p in posdata: + if not check_adj(p): + return False + return True + +def bounds(): + minx = None + maxx = None + miny = None + maxy = None + for p in posdata: + if minx is None or p[0] < minx: + minx = p[0] + if maxx is None or p[0] > maxx: + maxx = p[0] + if miny is None or p[1] < miny: + miny = p[1] + if maxy is None or p[1] > maxy: + maxy = p[1] + return minx, maxx, miny, maxy + +def solve(part, args): + count = 0 + distx = None + disty = None + while True: + for i in range(len(data)): + posdata[i][0] += veldata[i][0] + posdata[i][1] += veldata[i][1] + count += 1 + + minx, maxx, miny, maxy = bounds() + if distx == None: + distx = maxx - minx + disty = maxy - miny + else: + cdistx = maxx - minx + cdisty = maxy - miny + if cdistx > distx or cdisty > disty: + for i in range(len(data)): + posdata[i][0] -= veldata[i][0] + posdata[i][1] -= veldata[i][1] + count -= 1 + break + else: + distx = cdistx + disty = cdisty + + if count % 100 == 0: + aoc.debug("\r" + " " * 50, end="") + aoc.debug(f"\rcluster size: {distx}, {disty}", end="") + + if part == 1: + return count + elif part == 2: + answer = "" + minx, maxx, miny, maxy = bounds() + for y in range(maxy - miny + 1): + f = lambda x: "#" if list([x + minx, y + miny]) in posdata else " " + answer += "".join([f(x) for x in range(maxx - minx + 1)]) + "\n" + print(repr(answer)) + print(repr(sol2)) + return answer + else: + assert(False) + +sol2 = """\ +# # ###### # ##### # # # # #### # # +# # # # # # # # # # # # # # +# # # # # # # # # # # # # +# # # # # # # # # # # # # +## ##### # ##### ###### ## # ## +## # # # # # # ## # ### ## +# # # # # # # # # # # # # # +# # # # # # # # # # # # # # +# # # # # # # # # # # ## # # +# # # ###### ##### # # # # ### # # # +""" + +aoc.run(lambda args: solve(1, args), lambda args: solve(2, args), sols=[10659, sol2]) diff --git a/src/10/test-input.txt b/src/10/test-input.txt new file mode 100644 index 0000000..e499c03 --- /dev/null +++ b/src/10/test-input.txt @@ -0,0 +1,31 @@ +position=< 9, 1> velocity=< 0, 2> +position=< 7, 0> velocity=<-1, 0> +position=< 3, -2> velocity=<-1, 1> +position=< 6, 10> velocity=<-2, -1> +position=< 2, -4> velocity=< 2, 2> +position=<-6, 10> velocity=< 2, -2> +position=< 1, 8> velocity=< 1, -1> +position=< 1, 7> velocity=< 1, 0> +position=<-3, 11> velocity=< 1, -2> +position=< 7, 6> velocity=<-1, -1> +position=<-2, 3> velocity=< 1, 0> +position=<-4, 3> velocity=< 2, 0> +position=<10, -3> velocity=<-1, 1> +position=< 5, 11> velocity=< 1, -2> +position=< 4, 7> velocity=< 0, -1> +position=< 8, -2> velocity=< 0, 1> +position=<15, 0> velocity=<-2, 0> +position=< 1, 6> velocity=< 1, 0> +position=< 8, 9> velocity=< 0, -1> +position=< 3, 3> velocity=<-1, 1> +position=< 0, 5> velocity=< 0, -1> +position=<-2, 2> velocity=< 2, 0> +position=< 5, -2> velocity=< 1, 2> +position=< 1, 4> velocity=< 2, 1> +position=<-2, 7> velocity=< 2, -2> +position=< 3, 6> velocity=<-1, -1> +position=< 5, 0> velocity=< 1, 0> +position=<-6, 0> velocity=< 2, 0> +position=< 5, 9> velocity=< 1, -2> +position=<14, 7> velocity=<-2, 0> +position=<-3, 6> velocity=< 2, -1> diff --git a/src/11/input b/src/11/input new file mode 100644 index 0000000..141d29f --- /dev/null +++ b/src/11/input @@ -0,0 +1 @@ +1955 diff --git a/src/11/part1 b/src/11/part1 new file mode 100644 index 0000000..a14a37f --- /dev/null +++ b/src/11/part1 @@ -0,0 +1,88 @@ +--- Day 11: Chronal Charge --- + +You watch the Elves and their sleigh fade into the distance as they head toward the North Pole. + +Actually, you're the one fading. The falling sensation returns. + +The low fuel warning light is illuminated on your wrist-mounted device. Tapping it once causes it to +project a hologram of the situation: a 300x300 grid of fuel cells and their current power levels, +some negative. You're not sure what negative power means in the context of time travel, but it can't +be good. + +Each fuel cell has a coordinate ranging from 1 to 300 in both the X (horizontal) and Y (vertical) +direction. In X,Y notation, the top-left cell is 1,1, and the top-right cell is 300,1. + +The interface lets you select any 3x3 square of fuel cells. To increase your chances of getting to +your destination, you decide to choose the 3x3 square with the largest total power. + +The power level in a given fuel cell can be found through the following process: + + + - Find the fuel cell's rack ID, which is its X coordinate plus 10. + + - Begin with a power level of the rack ID times the Y coordinate. + + - Increase the power level by the value of the grid serial number (your puzzle input). + + - Set the power level to itself multiplied by the rack ID. + + - Keep only the hundreds digit of the power level (so 12345 becomes 3; numbers with no hundreds +digit become 0). + + - Subtract 5 from the power level. + + +For example, to find the power level of the fuel cell at 3,5 in a grid with serial number 8: + + + - The rack ID is 3 + 10 = 13. + + - The power level starts at 13 * 5 = 65. + + - Adding the serial number produces 65 + 8 = 73. + + - Multiplying by the rack ID produces 73 * 13 = 949. + + - The hundreds digit of 949 is 9. + + - Subtracting 5 produces 9 - 5 = 4. + + +So, the power level of this fuel cell is 4. + +Here are some more example power levels: + + + - Fuel cell at  122,79, grid serial number 57: power level -5. + + - Fuel cell at 217,196, grid serial number 39: power level  0. + + - Fuel cell at 101,153, grid serial number 71: power level  4. + + +Your goal is to find the 3x3 square which has the largest total power. The square must be entirely +within the 300x300 grid. Identify this square using the X,Y coordinate of its top-left fuel +cell. For example: + +For grid serial number 18, the largest total 3x3 square has a top-left corner of 33,45 (with a total +power of 29); these fuel cells appear in the middle of this 5x5 region: + +-2 -4 4 4 4 +-4  4 4 4 -5 + 4  3 3 4 -4 + 1  1 2 4 -3 +-1 0 2 -5 -2 + +For grid serial number 42, the largest 3x3 square's top-left is 21,61 (with a total power of 30); +they are in the middle of this region: + +-3 4 2 2 2 +-4  4 3 3  4 +-5  3 3 4 -4 + 4  3 3 4 -3 + 3 3 3 -5 -1 + +What is the X,Y coordinate of the top-left fuel cell of the 3x3 square with the largest total +power? + + diff --git a/src/11/part2 b/src/11/part2 new file mode 100644 index 0000000..8be7709 --- /dev/null +++ b/src/11/part2 @@ -0,0 +1,14 @@ +--- Part Two --- + +You're not sure what it's trying to paint, but it's definitely not a registration identifier. The +Space Police are getting impatient. + +Checking your external ship cameras again, you notice a white panel marked "emergency hull painting +robot starting panel". The rest of the panels are still black, but it looks like the robot was +expecting to start on a white panel, not a black one. + +Based on the Space Law Space Brochure that the Space Police attached to one of your windows, a valid +registration identifier is always eight capital letters. After starting the robot on a single +white panel instead, what registration identifier does it paint on your hull? + + diff --git a/src/11/solve.py b/src/11/solve.py new file mode 100644 index 0000000..66fc956 --- /dev/null +++ b/src/11/solve.py @@ -0,0 +1,76 @@ +import sys +sys.path.append("../common") +import aoc + +gridserial = int(aoc.data) + +# rack ID = x + 10 +# intial power = rackID * y +# power += gridserial +# power *= rackID +# power = str(power)[2] +# power -= 5 + +def get_power(x,y): + id = x + 10 + power = id * y + power += gridserial + power *= id + spower = str(power) + if len(spower) > 2: + power = int(spower[-3]) + else: + power = 0 + power -= 5 + return power + +def solve1(args): + maxpower = None + coords = None + for x in range(300-2): + for y in range(300-2): + power = 0; + for i in range(3): + for j in range(3): + power += get_power(x+i,y+j) + if maxpower == None or power > maxpower: + maxpower = power + coords = (x, y) + + return f"{coords[0]},{coords[1]}" + +def gen_map(): + vmap = [[0 for y in range(300)] for x in range(300)] + for x in range(300): + for y in range(300): + vmap[x][y] = get_power(x,y) + return vmap + +def solve2(args): + maxpower = None + res = None + pmap = gen_map() + vmap = [[list() for y in range(300)] for x in range(300)] + for s in range(1, 301): + aoc.debug(f"\rTrying: {s}", end="") + cmaxpower = None + cres = None + for x in range(300-(s-1)): + for y in range(300-(s-1)): + vmap[x][y] += [pmap[x+(s-1)][y+i] for i in range(s)] + vmap[x][y] += [pmap[x+i][y+(s-1)] for i in range(s-1)] + power = sum(vmap[x][y]); + if cmaxpower == None or power > cmaxpower: + cmaxpower = power + cres = (x, y, s) + if maxpower == None or cmaxpower > maxpower: + maxpower = cmaxpower + res = cres + elif cmaxpower < maxpower: + break + + aoc.debug("\r" + " " * 50 + "\r", end="") + + return f"{res[0]},{res[1]},{res[2]}" + +aoc.run(solve1, solve2, sols=["21,93", "231,108,14"]) diff --git a/src/12/input b/src/12/input new file mode 100644 index 0000000..6dcf208 --- /dev/null +++ b/src/12/input @@ -0,0 +1,34 @@ +initial state: ##..#.#.#..##..#..##..##..#.#....#.....##.#########...#.#..#..#....#.###.###....#..........###.#.#.. + +..##. => . +..... => . +##..# => . +...#. => . +#.... => . +...## => # +.#.#. => . +#..#. => # +##.#. => . +#..## => . +..#.. => . +#.#.# => . +###.# => . +###.. => . +.#... => # +.##.# => . +##... => # +..### => . +####. => . +#...# => # +.#..# => # +##### => # +..#.# => # +.#.## => # +#.### => . +....# => . +.###. => . +.#### => # +.##.. => . +##.## => # +#.##. => # +#.#.. => # diff --git a/src/12/part1 b/src/12/part1 new file mode 100644 index 0000000..ad06d34 --- /dev/null +++ b/src/12/part1 @@ -0,0 +1,99 @@ +--- Day 12: Subterranean Sustainability --- + +The year 518 is significantly more underground than your history books implied. Either that, or +you've arrived in a vast cavern network under the North Pole. + +After exploring a little, you discover a long tunnel that contains a row of small pots as far as you +can see to your left and right. A few of them contain plants - someone is trying to grow things in +these geothermally-heated caves. + +The pots are numbered, with 0 in front of you. To the left, the pots are numbered -1, -2, -3, and +so on; to the right, 1, 2, 3.... Your puzzle input contains a list of pots from 0 to the right and +whether they do (#) or do not (.) currently contain a plant, the initial state. (No other pots +currently contain plants.) For example, an initial state of #..##.... indicates that pots 0, 3, and +4 currently contain plants. + +Your puzzle input also contains some notes you find on a nearby table: someone has been trying to +figure out how these plants spread to nearby pots. Based on the notes, for each generation of +plants, a given pot has or does not have a plant based on whether that pot (and the two pots on +either side of it) had a plant in the last generation. These are written as LLCRR => N, where L are +pots to the left, C is the current pot being considered, R are the pots to the right, and N is +whether the current pot will have a plant in the next generation. For example: + + + - A note like ..#.. => . means that a pot that contains a plant but with no plants within two pots +of it will not have a plant in it during the next generation. + + - A note like ##.## => . means that an empty pot with two plants on each side of it will remain +empty in the next generation. + + - A note like .##.# => # means that a pot has a plant in a given generation if, in the previous +generation, there were plants in that pot, the one immediately to the left, and the one two pots to +the right, but not in the ones immediately to the right and two to the left. + + +It's not clear what these plants are for, but you're sure it's important, so you'd like to make sure +the current configuration of plants is sustainable by determining what will happen after 20 +generations. + +For example, given the following input: + +initial state: #..#.#..##......###...### + +...## => # +..#.. => # +.#... => # +.#.#. => # +.#.## => # +.##.. => # +.#### => # +#.#.# => # +#.### => # +##.#. => # +##.## => # +###.. => # +###.# => # +####. => # + +For brevity, in this example, only the combinations which do produce a plant are listed. (Your input +includes all possible combinations.) Then, the next 20 generations will look like this: + + 1 2 3 + 0 0 0 0 + 0: ...#..#.#..##......###...###........... + 1: ...#...#....#.....#..#..#..#........... + 2: ...##..##...##....#..#..#..##.......... + 3: ..#.#...#..#.#....#..#..#...#.......... + 4: ...#.#..#...#.#...#..#..##..##......... + 5: ....#...##...#.#..#..#...#...#......... + 6: ....##.#.#....#...#..##..##..##........ + 7: ...#..###.#...##..#...#...#...#........ + 8: ...#....##.#.#.#..##..##..##..##....... + 9: ...##..#..#####....#...#...#...#....... +10: ..#.#..#...#.##....##..##..##..##...... +11: ...#...##...#.#...#.#...#...#...#...... +12: ...##.#.#....#.#...#.#..##..##..##..... +13: ..#..###.#....#.#...#....#...#...#..... +14: ..#....##.#....#.#..##...##..##..##.... +15: ..##..#..#.#....#....#..#.#...#...#.... +16: .#.#..#...#.#...##...#...#.#..##..##... +17: ..#...##...#.#.#.#...##...#....#...#... +18: ..##.#.#....#####.#.#.#...##...##..##.. +19: .#..###.#..#.#.#######.#.#.#..#.#...#.. +20: .#....##....#####...#######....#.#..##. + +The generation is shown along the left, where 0 is the initial state. The pot numbers are shown +along the top, where 0 labels the center pot, negative-numbered pots extend to the left, and +positive pots extend toward the right. Remember, the initial state begins at pot 0, which is not the +leftmost pot used in this example. + +After one generation, only seven plants remain. The one in pot 0 matched the rule looking for +..#.., the one in pot 4 matched the rule looking for .#.#., pot 9 matched .##.., and so on. + +In this example, after 20 generations, the pots shown as # contain plants, the furthest left of +which is pot -2, and the furthest right of which is pot 34. Adding up all the numbers of +plant-containing pots after the 20th generation produces 325. + +After 20 generations, what is the sum of the numbers of all pots which contain a plant? + + diff --git a/src/12/part2 b/src/12/part2 new file mode 100644 index 0000000..1fec84f --- /dev/null +++ b/src/12/part2 @@ -0,0 +1,49 @@ +--- Part Two --- + +All this drifting around in space makes you wonder about the nature of the universe. Does history +really repeat itself? You're curious whether the moons will ever return to a previous state. + +Determine the number of steps that must occur before all of the moons' positions and velocities +exactly match a previous point in time. + +For example, the first example above takes 2772 steps before they exactly match a previous point in +time; it eventually returns to the initial state: + +After 0 steps: +pos=, vel= +pos=, vel= +pos=, vel= +pos=, vel= + +After 2770 steps: +pos=, vel= +pos=, vel= +pos=, vel= +pos=, vel= + +After 2771 steps: +pos=, vel= +pos=, vel= +pos=, vel= +pos=, vel= + +After 2772 steps: +pos=, vel= +pos=, vel= +pos=, vel= +pos=, vel= + +Of course, the universe might last for a very long time before repeating. Here's a copy of the +second example from above: + + + + + + +This set of initial positions takes 4686774924 steps before it repeats a previous state! Clearly, +you might need to find a more efficient way to simulate the universe. + +How many steps does it take to reach the first state that exactly matches a previous state? + + diff --git a/src/12/solve.py b/src/12/solve.py new file mode 100644 index 0000000..a688376 --- /dev/null +++ b/src/12/solve.py @@ -0,0 +1,53 @@ +import sys +sys.path.append("../common") +import aoc + +lines = aoc.data.split("\n") +istate = lines[0].split(": ")[1] +rules = [l.split(" => ") for l in lines[2:] if l != ""] +rules = [r[0] for r in rules if r[1] == "#"] + +def next_gen(pots): + pmin = min(pots) + pmax = max(pots) + npots = list() + for i in range(pmin-4, pmax+1): + for r in rules: + match = True + for j in range(5): + if (r[j] == "#") != ((i+j) in pots): + match = False + break + if match: + npots.append(i+2) + break + return npots + +def get_pots(): + pots = list() + for i in range(len(istate)): + if istate[i] == "#": + pots.append(i) + return pots + +def solve1(args): + pots = get_pots() + for i in range(20): + pots = next_gen(pots) + return sum(pots) + +def solve2(args): + pots = get_pots() + psum = sum(pots) + pdif = None + i = 0 + while (True): + pots = next_gen(pots) + i += 1 + csum = sum(pots) + if pdif == csum - psum: + return csum + pdif * (50000000000 - 164) + pdif = csum - psum + psum = csum + +aoc.run(solve1, solve2, sols=[1987, 1150000000358]) diff --git a/src/13/input b/src/13/input new file mode 100644 index 0000000..f970d12 --- /dev/null +++ b/src/13/input @@ -0,0 +1,150 @@ + /----------------------------------------------------------------------------------------------\ + /------------+-----\ /--------------------+-----------------\ + | | | /-------------------->-------+<-------------------+------\ /+-------------\ + | | | /---+------\ | | | || | + | | | /--+---+------+---------------------+--------------------+------+---------++---\ /------+----\ + | | | | | | | /-----------+--------------------+------+---------++\ | | | | + | | | /----------------\ | | | | | | /----+------+---------+++--+--+------+----+\ + | | | | /-------------+---------+--+---+------+---------+-----------+-----\ | | | ||| | | | || + | | | | | | | | | /----+---------+-----------+-----+---------+----+----->+----\ ||| | | | || + | | | | | | | | | | | /----+-----------+-----+---------+----+------+----+----+++--+\ | | || + | | | | | | /---+--+---+-+----+\ | | | | | | | | ||| || | | || + | | | | | | | | | | |/---++---+----+-----------+-----+---------+--\ | | | ||| || | | || + | | | | | | | | | | || || | | | | | | | | | ||| || | | || + | | /-+----+--+-------------+---\ | | | | || ||/--+----+-----------+-----+---------+--+-+----\ | | ||| || | | || + | /----------+---+-+----+--+-------------+---+-+---+--+---+-++---+++--+----+-----------+-----+------\ | | | | | | ||| || | | || + | | | | | | | | | | | | | || ||| | | | | | | | | | | | ||| || \------+----/| + | | | | | | | |/--+-+---+--+---+-++---+++--+----+-----------+-----+------+--+--+-+----+-+<---+----+++\ || | | + | | /+---+-+----+--+-------------++-\| | | | | || ||| | | /-------+-----+------+--+<-+-+-\ | | | |||| || | | + | | || | | | | || || | | | | || ||| | | | | | | | | | | | |/---+----++++-++----\ | | + |/+--------\|| | | | /+-----------\ || || | | | | || ||| | | | | /-+------+--+--+-+-+--+-++---+----++++-++----+---+--\ | + ||| ||| | | | || | || || | | | | || ||| | | | /---+---+-+------+--+--+-+-+--+-++---+----++++-++----+-\ | | | + ||| ||| | | | || /--+-++-++-+---+\ | /+-++---+++--+----+---+---+---+---+>+------+--+--+-+-+--+-++---+-\ |||| || | | | | | + ||| /-+++---+-+\ | || | | || || \---++-+--++-++---+/| | | | | | | | | | | | | | || | | |||| || | | | | | + ||| | ||| | || |/++--------+--+-++-++-----++-+--++-++---+-+--+----+---+---+---+---+-+\ | | | | | | || | | |||| || | | | | | + ||| | ||| | || |||| | | || || || | |\-++---+-+--+----+---+---+---+---+-++-----+--+--+-+-+--+-/| | | |||| || | | | | | + ||| | ||| \-++---++++--------+--+-++-+/ || | | || | | | | | | | | || | | | | | | | /-+-+--++++-++----+-+-+--+\ | + ||| | ||| || |||| | | || | /-++-+--+--++---+-+--+----+---+---+---+---+-++-\ | | | | | | | | | | |||| || | | | || | + ||| /+-+++-----++---++++--------+--+-++-+----+-++-+--+--++---+-+--+----+---+---+---+---+-++-+---+--+\ | | | | | | | | \+++-++----+-+-/ || | + ||| || ||\-----++---++++--------+--+-++-+----+-++-+--+--++---+-+--+----+---+---+---+---+-++-+---+--++-+-/ | | | | | | ||| || | | || | + ||| || || /-++---++++--------+--+-++-+----+-++-+--+--++---+-+--+----+---+---+---+---+-++-+---+--++-+---+--+--+-+-+-+--\||| || | | || | + ||| || || | || |||| | | || | | || | | || | | | | /+---+---+---+-++-+---+--++-+---+--+--+-+-+-+--++++-++----+-+----++\| + ||| || || | || |||| | | || | | ||/+--+--++---+-+--+----+\ || | | | || | | || | | | | | | | |||| || | | |||| + ||| || || | || /-++++--------+--+-++-+----+-++++--+--++---+-+--+----++-++---+---+---+-++\| | || | | | | | | | |||| || | | |||| + ||| |\-++----+-+/ | |||| /---+--+-++-+----+-++++--+--++---+-+--+----++-++---+---+---+-++++---+\ || | | | | | | | |||| || | | |||| + ||| | || | | | |||| | | | || | | |||| | || | | | || || | | | |||| || || | | /+--+-+-+\| |||| || | | |||| + ||| | || | | | |||| | | | || | | |||| | || | | | || || | | | |||| || || | | || | | ||| |||| || | | |||| + ||| | || /--+-+--+-++++----+---+--+-++-+----+-++++--+--++---+-+--+----++-++---+---+---+-++++---++-++-+---+-++\ | | ||| |||| || | | |||| +/--+++-----+--++-+--+-+--+-++++----+---+--+-++-+----+-++++--+--++---+-+--+--\ || || | | /-+-++++---++-++-+---+-+++-+-+-+++--++++-++---\| | |||| +| ||| | || | \-+--+-++++----+---+--+-++-+----+-++++--+--++---+-+--+--+-++-++---+---+-+-+-++++---++-++-+---+-+++-+-+-+++--/||| || || | |||| +| ||| | || | /-+--+-++++----+---+--+-++-+----+-++++--+--++-\ | | | | || || | |/+-+-++++---++-++-+---+\||| | | ||| ||| || || | |||| +| ||| | || | | | | |||| | |/-+-++-+----+-++++--+--++-+-+-+--+--+-++-++---+---+++-+-++++---++-++-+\ ||||| | | ||| ||| || || | |||| +| /+++-----+--++-+--+-+--+-++++----+---++-+-++-+----+-++++--+--++-+-+-+--+--+-++-++---+---+++-+-++++---++\|| || ||||| | | ||| ||| || || | |||| +| |||| | || | | | | |||| | || | || | | \+++--+--++-+-+-+--+--+-++-++---+---+++-+-++++---+++++-++--+++++-+-+-+++---+++-/| || | |||| +| |||| \--++-+--+-+--+-++++----+---++-+-++-+----+--+++--+--++-+-+-+--+--+-++-++---+---+++-+-++++---++++/ || ||||| | | ||| ||| | || | |||| +| |||| || | | | | |||| | || | ||/+----+--+++-\| || | | | | | || || |/--+++-+-++++\ |||| || ||||| | | ||| ||| | || | |||| +| |||| || | | | | |||| | || | ||||/---+--+++-++--++-+>+-+--+--+-++-++---++-\||| | ||||| |||| || ||||| | | ||| ||| | || | |||| +| |||| || | | | | |||| | || | ||||| | ||| |\--++-+-+-+--+--+-++-++---++-++++-+-+++++--++++--++--+++++-+-+-++/ ||| | || | |||| +| |||| || | | | | |||| | || | ||||| | ||| | || |/+-+--+--+-++-++---++-++++-+-+++++--++++--++--+++++-+-+-++\ ||| | || | |||| +| |||| /++-+--+-+--+-++++----+---++-+-+++++---+-\||| | || ||| | | | || || || |||| | ||||| |||| || ||||| | | ||| ||| | || v |||| +| |||| /----+++-+--+-+--+-++++----+---++-+-+++++---+-++++-+---++-+++\| | | \+-++---++-++++-+-+++++--++++--++--+++++-+-+-+++---+/| | || | |||| +| |||| |/---+++-+--+-+--+-++++----+---++-+-+++++---+-++++-+---++-+++++--+--+--+\|| || |||| | ||||| |||| || ||||| | | ||| | | | || | |||| +| |||| || ||| | | | | |||| | || | |||||/--+-++++-+---++-+++++--+--+--++++---++-++++-+-+++++--++++-\|| ||\++-+-+-+/| | | | || | |||| +| |\++--++---+++-+--+-/ | |||| | \+-+-++++++--+-+/|| |/--++-+++++--+--+--++++---++-++++-+-+++++--++++-+++--++-++-+-+-+-+---+-+--+-\ || | |||| +| | || || ||| | | | |||| | | | |||||| | | || || || ||||| | | |||| || ||\+-+-+++++--++++-+++--+/ || | | | | | | | | || | |||| +| | || ||/--+++-+--+----+-++++----+----+-+-++++++--+-+-++-++--++-+++++--+--+-\|||| || || | | ||||| |||| ||| | || | | | | | | | | || | |||| +| | || ||| ||| | | | |||| | | | |||||| | | || || || ||||\--+--+-+++++---++-++-+-+-+++++--++++-+++--+--/| | | | | | | | | || | |||| +| | \+--+++--+/| | | | |||| | | | |||||| | | || || || |||| | | ||||| || |\-+-+-+++++--++++-+++--+---+-+-+-+-+---/ | | | || | |||| +| | | ||| | | | | | |||| | | | ||||||/-+-+-++-++--++-++++---+--+-+++++---++-+--+-+-+++++--++++-+++--+---+-+\| | | | | | || | |||| +| | | ||| | | | \----+-++++----+----+-+-+++++++-+-+-++-++--++-/||| | | ||||| ||/+--+-+-+++++--++++-+++\ | | ||| | | | | | || | |||| +| | | ||| | | | | |||| | | | ||\++++-+-+-++-/|/-++--+++---+--+-+++++-\ |||| /+-+-+++++--++++-++++-+---+-+++\| | | | | || | |||| +| | | /+++--+-+-+-------+-++++----+----+-+-++-++++-+-+-++--++\|| ||| | | ||||| | |||| || | ||||| |||| |||| | | ||||| | | |/+-++-+---\|||| +| | | |||| | | | | |||| | | | || |||| | | || ||||| ||| | | ||||| | |||| || | ||||| |||| |||| | | ||||| | | ||| || | ||||| +| | | |||| | | | | |||| | | | || |||| | | || ||||| ||| | | ||||\-+-++++-++-+-+++++--++++-++++-/ | ||||| | | ||| || | ||||| +| | | |||| | | | | |||| | | | || |||| | | || ||||| ||| | | |||| | ||||/++-+-+++++--++++-++++-----+-+++++-+--\/-+--+++-++-+--\||||| +| | | |||| | | | | |||| | | | || |||| | | || ||||| ||| | | |||| | |\+++++-+-++++/ |||\-++++-----+-+++++-+--++-+--+++-++-+--+++++/ +| | | |||| | | | /-+-++++----+--\ | | || |||| | | || ||||| ||| |/-+-++++--+-+-+++++-+\|||| ||| |||| | ||||| | || | ||| || | ||||| +| | | |||| | | | | | |||| | | | | || |||| | | || ||||| ||| || | |||| | | ||||| |||||| ||| |||| | ||||| | || | ||| || | ||||| +| | | |||| | | | | | \+++----+--+-+-+-/| |||| | | || ||||| ||| || | |||| | | ||||| |||||| ||| |||| | ||||| | || | ||| || | ||||| +| | | |||\--+-+-+-----+-+--+++----+--+-+-+--+-++++-+-+-++--+++++--+++---++-+-/||| |/+-+++++-++++++---+++\ |||| | ||||v | || | ||| || | ||||| +| | | ||| | | | | | ||| | | |/+--+-++++-+-+\|| ||||| ||| || | ||| ||| |||||/++++++---++++-++++-----+-+++++-+--++-+-\||| || | ||||| +| | | ||| | | |/----+-+--+++\ | | ||| | ||\+-+-++++--+++++--+++---++-+--+++--+++-++++++++++++---++++-/||| /+-+++++-+--++-+-++++-++-+-\||||| +| | | ||| | | || | | |\++---+--+-++/ | || | | |||| ||||\--+++---++-+--+++--+++-++++++++++++---++++--/|| || ||||| | || | |||| || | |||||| +|/+--+-+++---+-+-++----+-+--+-++---+--+-++---+-++-+-+-++++--++++---+++---++-+--+++--+++-++++++++++++-\ |||| || || ||||| | || | |||| || | |||||| +||| | ||| | | || /-+-+--+-++---+--+-++---+-++-+-+-++++--++++-\ ||| || | |||/-+++-++++++++++++-+-++++---++----++-+++++-+--++-+\|||| || | |||||| +^|| | ||| | | || | | | | || | | || \-++-+-+-++++--++++-+-+++---++-+--++++-+++-++++++++++++-+-++++---++----++-+++++-+--++-/||||| || | |||||| +||| | ||| | | || | | | | || |/-+-++-----++-+-+-++++--++++-+-+++---++-+--++++-+++>++++++++++++-+-++++---++----++-+++++-+\ || ||||| || | |||||| +||| | \++---+-+-++--+-+-+--+-++---++-+-++-----++-+-+-++++--++/| | ||| || | |||| ||| \+++++++++++-+-++++---+/ || ||||| || |\--+++++-++-+-+/|||| +||| | || | | || | | | | || || | || || | | |||| || | |/+++---++-+--++++-+++--+++++++++++-+-++++\ | || ||||| || | ||||| || | | |||| +||| | || | | || | | | | || || | || /++-+-+-++++--++-+-+++++--\|| | |||| ||| ||||||||||| | ||||| | /---++-+++++-++-+---+++++\|| | | |||| +||| | || | | || | | | | || || | || ||| | | |||| || | ||||| ||| | |||| ||\--+++++++++++-+-+++++--+-+---++-+++++-++-+---++++++++-/ | |||| +||| | || | | || /+-+-+--+-++---++-+-++----+++\| | |||| || | ||||| |\+-+--++++-++---+++++++++++-+-+++++--+-+---++-+++++-++-+---++/||||| | |||| +||| | || |/+-++-++-+-+--+-++---++-+-++----+++++\| |||| || | ||||| | | | |||| || ||||||||||| | ||||| | | || ||||| || | || ||||| | |||| +||| | || ||| || || | | | || || | || ||||||| |||| |\-+-+++++--+-+-+--++++-/| ||||||||||| | ||||| | | || ||||| || | || ||||| | |||| +||| | || |||/++-++-+-+--+-++---++-+-++----+++++++-++++--+--+-+++++--+-+-+--++++--+---+++++++++++\| ||||| | | || ||||| || | || ||||| | |||| +||| | || |||||| || |/+--+-++---++-+-++----+++++++-++++--+--+-+++++--+-+-+--++++--+-\ v|||||||||||| ||||| | | || ||||| || | || ||||| | |||| +||| | || |||||| || ||| | || || | || ||||||| |||| | | ||||| | | | |||| | | |||||||||||||/+++++--+-+---++-+++++-++-+---++-+++++---+-++++\ +||| | || |||||| || |||/-+-++---++\| || ||||||| |||| | \-+++++--+-+-+--++++--+-+-+++++++++++++++++++--+-+---++-++++/ || | || ||||| | ||||| +||| | || |||||| || |||| | || |||| || ||||||\-++++--+----+++++--+-+-+--++++--+-+-++++++++++/|||||||| | | || |||| || | || ||||| | ||||| +||| | || |||||| || |||| | || |||| || |||||| |||| | ||||| | | | |||v \-+-++++++++++-++++++/| | | || |||| || | || ||||| | ||||| +||| | || /++++++-++\|||| |/++---++++-++----++++++--++++--+----+++++--+-+-+--++++----+-++++++++++-++++++-+--+-+---++-++++--++-+\ || ||||| | ||||| +||| | || |\+++++-+++++++-++++---++++-++----++++++--/||\--+----+++/| | | | |||| | |||||\++++-++++++-+--+-+---++-++++--++-++--++-+++++---+-+/||| +||| | || | ||||| ||||||| |||| |||| || /-++++++---++---+----+++-+--+-+-+--++++----+-+++++-++++-++++++-+--+-+---++-++++--++\|| || ||||| | | ||| +||| | || | ||||| ||||||| |||| |||| || | |||||| || | ||| | | | | |||| | ||||\-++++-++++++-+--+-+---++-++++--+++++--+/ ||||| | | ||| +||| \--++--+-+++++-+++++++-++++---++++-++--+-++++++---++---+----+++-+--+-+-+--++++----+-++++--++++-+++/|| | | | || |||| ||||| | ||||| | | ||| +||| /---++--+-+++++-+++++++-++++---++++-++--+-++++++---++---+----+++-+--+-+-+--++++----+-++++-\|||| ||| || | | | || |||| ||||| | ||||| | | ||| +||| | || | ||||| ||||||| |||| |||| || | |||||| || | ||| | | | | |||| | |||| ||||| ||| || | | | || \+++--+++++--+--++++/ | | ||| +||| | || | ||||| ||||||| |||| |\++-++--+-++++++---++---+----+++-+--+-+-+--++++----+-++++-+++++-+++-++-+--+-+---++--+++--+/||| | |||| | | ||| +||| | || | ||||| ||||||| ||||/--+-++-++--+-++++++---++---+---\||| | | | | /++++----+-++++-+++++-+++-++-+\ | | || ||| | ||| | |||| | | ||| +|\+-+---++--+-+++++-+++++++-+++++--+-++-++--+-++++++---++---+---++++-+--+-+-+-+++++----+-++++-+++++-+/| || || | | || ||| | ||| | |||| | | ||| +| | | || | ||||| ||||||| |\+++--+-++-++--+-++++++---++---+---++++-+--+-+-+-+++++----+-++++-+++++-+-+-++-++-+-+--<++--+++--+-++/ | |||| | | ||| +| | | || | ||||| |||\+++-+-+++--+-+/ || | |||||| || \---++++-+--+-+-+-+++++----+-++++-+++++-+-+-++-++-+-+---++--+++--+-++---+--+/|| | | ||| +| | | \+--+-+++++-+++-+++-+-+++--+-+--++--+-++++++---++-------++++-/ | | | |||\+----+-++++-+++++-+-+-++-++-+-+---++--+++--+-++---+--+-++----+-+-+/| +| | | | | ||||| ||| ||| \-+++--+-+--++--+-++++++---++-------++++----+-+-+-+++-+----+-++++-+++/| | | || || | | || ||| | || | | || | | | | +| | | | | ||||| ||| ||| ||| | |/-++--+-++++++---++-------++++----+-+-+-+++-+----+-++++-+++-+-+-+-++-++-+-+---++--+++--+-++---+--+\|| | | | | +| | | | | ||||| ||| ||| ||| | || ||/-+-++++++---++-------++++----+-+-+-+++-+\ | |||| ||| | | | || || | | || ||| | || | |||| | | | | +| | | | |/+++++-+++-+++---+++--+\|| ||| | |||||| || /-++++----+-+-+-+++-++---+-++++-+++-+-+-+-++-++-+-+---++--+++--+-++---+--++++\ | | | | +| | | | ||||||| ||| ||| ||| |||| ||| | |||||| || /--+-++++----+-+-+-+++-++---+-++++-+++-+-+-+-++-++-+-+>\ || ||| | || | ||||| | | | | +| | | | ||||||| ||| ||| ||| |||| ||| | |||||| || | | |||| | \-+-+++-++---+-++++-+/| | | | || || | | | || ||| | || | ||||| | | | | +| | | | ||||||| ||| ||| |||/-++++-+++-+-++++++---++--+--+-++++----+---+-+++-++---+-++++-+-+-+-+-+-++-++-+-+-+-++--+++--+-++---+-\||||| | | | | +| | | | ||||||| ||| ||| \+++-++++-+++-+-++++++---++--+--+-++++----+---+-+++-++---+-++++-+-/ | | | || || | | | || ||| | || | |||||| | | | | +| | | | ||||||| ||| ||| ||| |||| \++-+-++++++---++--+--+-++++----+---+-+++-++---+-++++-+---+-+-+-++-++-/ | | || ||| | || | |||||| | | | | +| | | /-+--+++++++-+++-+++----+++-++++--++-+-++++++---++--+--+-++++----+---+-+++-++---+-++++-+---+-+-+-++-++---+-+\|| ||| | || | |||||| | | | | +| | | | | ||||||| ||| ||| ||| |||| || | ||\+++---++--+--+-++++----+---+-+++-++---+-/||| | | | | || || | |||| ||| | || | |||||| | | | | +| | | | | ||||||| ||| ||| ||| |||| || | || ||| || | | |||| | | ||| || | ||| | | | | || || | |||| ||| | || | |||||| | | | | +| | | | | |||\+++-+++-+++----+++-++++--++-+-+/ ||| || | | ||\+----+---+-+++-++---+--+++-+---+-+-+-++-/| | |||| ||| | || | |||||| | | | | +| | | | | ||| ||| ||| ||| ||| |||| || | | ||| || | | || | | | ||| || | ||| | | | | || | \-++++--+++--+-++---+-+++/|| | | | | +| | | | | ||| ||| |\+-+++----+++-++++--++-+-+--+++---++--+--+-+/ | | | ||| || | ||| | | | | || | |||| ||| | || | ||| || | | | | +| | | | | ||| ||| | | ||| ||| |||| || | | ||| || | | | | | | ||| || | ||| | | | | || | |||| ||| | || | ||| || | | | | +| \-+--+-+--+++-+++-+-+-+++----+++-++++--++-+-+--+++---++--+--+-+--+----+---+-+++-++---+--+++-+---+-+-+-+/ | |||| ||| | || | ||| || | | | | +| | | | ||| ||| | | ||| ||| |||| || | | ||| || | | | | | | ||| || | ||| | | | | | | |||| ||| | || | ||| || | | | | +| | | | ||| ||| | | ||| ||| |||| || | \--+++---++--+--+-+--+----/ | ||| || | ||| | | | | | | ||\+--+++--+-++---+-+++-++---/ | | | +\---+--+-+--+++-+++-+-+-+++----+++-++++--++-+----+++---++--+--+-+--+--------/ ||| || | ||| | | | | | | || | ||| | || | ||| || | | | + | | | ||| ||| | | ||| ||| |||| || | ||| || | \-+--+----------+++-++---+--+++-+---+-+-+-+---+-----++-+--+++--+-++---+-+++-+/ | | | + | | | ||| ||| | | \++----+++-++++--++-+----+++---++--+----+--+----------+++-++---/ ||| | | | | | | || | ||| | || | |\+-+------/ | | + | | | ||| ||| | | || ||| |||| || | ||| || | |/-+----------+++-++--\ ||| | | | | | | || | ||| | || | | | | | | + | | | ||| ||| | | || ||| |||| || | ||| || | || | ||| || | ||| | /+-+-+-+---+-----++-+--+++--+-++---+-+-+\| | | + | | | ||| ||| | | || ||| |||| || | ||| || | || \----------+++-++--+---+++-+--++-+-+-+---+-----++-+--+++--/ || | | ||| | | + | | | ||| ||| | | \+----+++-++++--++-+----+++---++--+----++------------+++-++--+---+++-+--+/ | | | | || | ||| || | | ||| | | + | | | |\+-+++-+-+---+----+++-+/|| || | ||| || | || ||| || | \++-+--+--+-+-+---+-----++-+--+++----+/ | | ||| | | + | | | | | ||| \-+---+----+++-+-++--++-+----/|| || | || ||| || | || | | | | | | || | ||| | | | ||| | | + | | | | \-+++---+---+----+++-+-++--++-+-----+/ || | || \++-++--+----++-+--+--+-+-+---/ || | |\+----+----+-+-+++--------/ | + | | | | ||| | v ||| \-++--++-+-----+----++--+----++-------------++-++--+----++-+--+--+-+-/ || | | | | | | ||| | + | | | | ||| | | |\+---++--++-+-----+----++--+----/| || || /+----++-+--+--+-+-----------++-+--+-+----+---\| | ||| | + | \-+--+---+++---+---+----+-+---++--++-+-----+----++--+-----+-------------++-++-++----++-+--+--+-+-----------+/ | | | | || | ||| | + | | | ||| | | | | || || | | |\--+-----+-------------/| || || || | | | | | | | | | || | ||| | + | | | ||| | | | | || || \-----+----+---+-----+--------------+-++-++----++-+--+--+-+-----------+--+--+-+----/ || | ||| | + | | | ||| | | | | || || | | | \--------------+-++-+/ \+-+--+--+-+-----------+--+--+-/ || | ||| | + | | | ||| | | | | || \+-------+----/ | | || | | | | | \-----------+--+--+----------++-+-+++----------/ + | | | |\+---+---+----+-+---++---+-------+--------+--------------------+-++-+------+-+--+--+-------------+--/ | || | ||| + | \--+---+-+---+---+----+-+---++---+-------+--------+--------------------/ || | | | | | | | || | ||| + | | | | | | | | || | | \----------------------++-+------+-+--+--+-------------/ | || | ||| + | | | | | | | | || | | || \------+-+--+--+-------------------+----------/| | ||| + | | | | | | | \---++---+-------+-------------------------------++--------+-+--+--+-------------------+-----------+-/ ||| + | | | | | | | || | | || \-+--+--+-------------------+-----------+---++/ + | \---+-+---/ | | || | | \+----------+--+--+-------------------+-----------/ || + \-----------+<+-------+----+-----++---+-------+--------------------------------+----------/ | | | || + \-+-------+----+-----++---+-------+--------------------------------+-------------+--/ | || + | \----+-----/\---+-------+--------------------------------+-------------+----------------------+---------------/| + \------------/ | \--------------------------------+-------------+----------------------/ | + \----------------------------------------/ \---------------------------------------/ diff --git a/src/13/part1 b/src/13/part1 new file mode 100644 index 0000000..22fe267 --- /dev/null +++ b/src/13/part1 @@ -0,0 +1,188 @@ +--- Day 13: Mine Cart Madness --- + +A crop of this size requires significant logistics to transport produce, soil, fertilizer, and so +on. The Elves are very busy pushing things around in carts on some kind of rudimentary system of +tracks they've come up with. + +Seeing as how cart-and-track systems don't appear in recorded history for another 1000 years, the +Elves seem to be making this up as they go along. They haven't even figured out how to avoid +collisions yet. + +You map out the tracks (your puzzle input) and see where you can help. + +Tracks consist of straight paths (| and -), curves (/ and \), and intersections (+). Curves connect +exactly two perpendicular pieces of track; for example, this is a closed loop: + +/----\ +| | +| | +\----/ + +Intersections occur when two perpendicular paths cross. At an intersection, a cart is capable of +turning left, turning right, or continuing straight. Here are two loops connected by two +intersections: + +/-----\ +| | +| /--+--\ +| | | | +\--+--/ | + | | + \-----/ + +Several carts are also on the tracks. Carts always face either up (^), down (v), left (<), or right +(>). (On your initial map, the track under each cart is a straight path matching the direction the +cart is facing.) + +Each time a cart has the option to turn (by arriving at any intersection), it turns +left the first time, goes straight the second time, turns right the third time, and then repeats +those directions starting again with left the fourth time, straight the fifth time, and so on. This +process is independent of the particular intersection at which the cart has arrived - that is, the +cart has no per-intersection memory. + +Carts all move at the same speed; they take turns moving a single step at a time. They do this based +on their current location: carts on the top row move first (acting from left to right), then carts +on the second row move (again from left to right), then carts on the third row, and so on. Once +each cart has moved one step, the process repeats; each of these loops is called a +tick. + +For example, suppose there are two carts on a straight track: + +| | | | | +v | | | | +| v v | | +| | | v X +| | ^ ^ | +^ ^ | | | +| | | | | + +First, the top cart moves. It is facing down (v), so it moves down one square. Second, the bottom +cart moves. It is facing up (^), so it moves up one square. Because all carts have moved, the first +tick ends. Then, the process repeats, starting with the first cart. The first cart moves down, +then the second cart moves up - right into the first cart, colliding with it! (The location of the +crash is marked with an X.) This ends the second and last tick. +Here is a longer example: + +/->-\ +| | /----\ +| /-+--+-\ | +| | | | v | +\-+-/ \-+--/ + \------/ + +/-->\ +| | /----\ +| /-+--+-\ | +| | | | | | +\-+-/ \->--/ + \------/ + +/---v +| | /----\ +| /-+--+-\ | +| | | | | | +\-+-/ \-+>-/ + \------/ + +/---\ +| v /----\ +| /-+--+-\ | +| | | | | | +\-+-/ \-+->/ + \------/ + +/---\ +| | /----\ +| /->--+-\ | +| | | | | | +\-+-/ \-+--^ + \------/ + +/---\ +| | /----\ +| /-+>-+-\ | +| | | | | ^ +\-+-/ \-+--/ + \------/ + +/---\ +| | /----\ +| /-+->+-\ ^ +| | | | | | +\-+-/ \-+--/ + \------/ + +/---\ +| | /----< +| /-+-->-\ | +| | | | | | +\-+-/ \-+--/ + \------/ + +/---\ +| | /---<\ +| /-+--+>\ | +| | | | | | +\-+-/ \-+--/ + \------/ + +/---\ +| | /--<-\ +| /-+--+-v | +| | | | | | +\-+-/ \-+--/ + \------/ + +/---\ +| | /-<--\ +| /-+--+-\ | +| | | | v | +\-+-/ \-+--/ + \------/ + +/---\ +| | /<---\ +| /-+--+-\ | +| | | | | | +\-+-/ \-<--/ + \------/ + +/---\ +| | v----\ +| /-+--+-\ | +| | | | | | +\-+-/ \<+--/ + \------/ + +/---\ +| | /----\ +| /-+--v-\ | +| | | | | | +\-+-/ ^-+--/ + \------/ + +/---\ +| | /----\ +| /-+--+-\ | +| | | X | | +\-+-/ \-+--/ + \------/ + +After following their respective paths for a while, the carts eventually crash. To help prevent +crashes, you'd like to know the location of the first crash. Locations are given in X,Y coordinates, +where the furthest left column is X=0 and the furthest top row is Y=0: + + 111 + 0123456789012 +0/---\ +1| | /----\ +2| /-+--+-\ | +3| | | X | | +4\-+-/ \-+--/ +5 \------/ + +In this example, the location of the first crash is 7,3. + + + + diff --git a/src/13/part2 b/src/13/part2 new file mode 100644 index 0000000..e7ccee4 --- /dev/null +++ b/src/13/part2 @@ -0,0 +1,26 @@ +--- Part Two --- + +The game didn't run because you didn't put in any quarters. Unfortunately, you did not bring any +quarters. Memory address 0 represents the number of quarters that have been inserted; set it to 2 to +play for free. + +The arcade cabinet has a joystick that can move left and right. The software reads the position of +the joystick with input instructions: + + + - If the joystick is in the neutral position, provide 0. + + - If the joystick is tilted to the left, provide -1. + + - If the joystick is tilted to the right, provide 1. + + +The arcade cabinet also has a segment display capable of showing a single number that represents the +player's current score. When three output instructions specify X=-1, Y=0, the third output +instruction is not a tile; the value instead specifies the new score to show in the segment display. + For example, a sequence of output values like -1,0,12345 would show 12345 as the player's current +score. + +Beat the game by breaking all the blocks. What is your score after the last block is broken? + + diff --git a/src/13/solve.py b/src/13/solve.py new file mode 100644 index 0000000..e89466c --- /dev/null +++ b/src/13/solve.py @@ -0,0 +1,148 @@ +import sys +sys.path.append("../common") +import aoc + +tmap = [list(l) for l in aoc.data.split("\n") if len(l) != 0] +xlen, ylen = len(tmap[0]), len(tmap) + +arrows = dict() +arrows["<"] = (-1, 0) +arrows[">"] = (1, 0) +arrows["^"] = (0, -1) +arrows["v"] = (0, 1) + +directions = [(-1,0), (0,-1), (1, 0), (0, 1)] # l - u - r - d + +def check_pos(x, y): + if x < xlen and x >= 0 and y < ylen and y >= 0: + return tmap[y][x] + return " " + +def correct(x, y): + cr = check_pos(x+1, y) + cl = check_pos(x-1, y) + cu = check_pos(x, y-1) + cd = check_pos(x, y+1) + + if cr == "|": cr = " " + if cl == "|": cl = " " + if cu == "-": cu = " " + if cd == "-": cd = " " + + r = cr != " " + l = cl != " " + u = cu != " " + d = cd != " " + + vsum = r + l + u + d + if vsum > 2: + return "+" + + # 2 around + if r: + if l: + return "-" + elif u: + return "/" + else: + return "\\" + else: + if not l: + return "|" + elif u: + return "/" + else: + return "\\" + +carts = list() +for y in range(ylen): + for x in range(xlen): + if tmap[y][x] in arrows: + carts.append([x, y, arrows[tmap[y][x]], 0, 0]) + tmap[y][x] = correct(x,y) + +def cart_at(x, y): + global carts + for i in range(len(carts)): + c = carts[i] + if c[0] == x and c[1] == y and not c[4]: + return i + return None + +def draw_map(): + for y in range(ylen): + f = lambda x : "".join(["#" if cart_at(x,y) != None else tmap[y][x]]) + aoc.debug([f(x) for x in range(len(tmap[y]))]) + +def advance(cart): + ncart = [0 for x in range(5)] + ncart[0] = cart[0]+cart[2][0] + ncart[1] = cart[1]+cart[2][1] + col = cart_at(ncart[0], ncart[1]) + if col != None: + return ncart[0], ncart[1], col + + c = tmap[ncart[1]][ncart[0]] + d = directions.index(cart[2]) + + if c == "+": + d = (d + len(directions)-1 + cart[3]) % len(directions) + ncart[2] = directions[d] + ncart[3] = (cart[3] + 1) % 3 + else: # dont need to change direction for '-' and '|' + if c == "/": + ncart[2] = directions[3-d] + elif c == "\\": + if d == 0: #l + ncart[2] = directions[1] + elif d == 1: #u + ncart[2] = directions[0] + elif d == 2: #r + ncart[2] = directions[3] + elif d == 3: #d + ncart[2] = directions[2] + else: + ncart[2] = cart[2] + ncart[3] = cart[3] + return ncart + + +def solve1(args): + global carts + + crash = None + while not crash: + carts = sorted(carts, key=lambda x:(x[0], x[1])) + for c in range(len(carts)): + nc = advance(carts[c]) + if len(nc) == 3: + crash = nc + break + else: + carts[c] = nc + + return f"{crash[0]},{crash[1]}" + +def solve2(args): + global carts + + while len(carts) > 1: + carts = sorted(carts, key=lambda x:(x[0], x[1])) + rcarts = list() + for c in range(len(carts)): + if carts[c][4]: continue; + nc = advance(carts[c]) + if len(nc) == 3: + carts[c][4] = 1 + carts[nc[2]][4] = 1 + rcarts.append(carts[c]) + rcarts.append(carts[nc[2]]) + else: + carts[c] = nc + for c in rcarts: + if c in carts: # prevent doubles + carts.remove(c) + + return f"{carts[0][0]},{carts[0][1]}" + +aoc.run(solve1, solve2) diff --git a/src/13/test1 b/src/13/test1 new file mode 100644 index 0000000..30bc010 --- /dev/null +++ b/src/13/test1 @@ -0,0 +1,7 @@ +/>-<\ +| | +| /<+-\ +| | | v +\>+/ diff --git a/src/14/input b/src/14/input new file mode 100644 index 0000000..1c93252 --- /dev/null +++ b/src/14/input @@ -0,0 +1 @@ +110201 diff --git a/src/14/part1 b/src/14/part1 new file mode 100644 index 0000000..912c55a --- /dev/null +++ b/src/14/part1 @@ -0,0 +1,70 @@ +--- Day 14: Chocolate Charts --- + +You finally have a chance to look at all of the produce moving around. Chocolate, cinnamon, mint, +chili peppers, nutmeg, vanilla... the Elves must be growing these plants to make hot chocolate! As +you realize this, you hear a conversation in the distance. When you go to investigate, you discover +two Elves in what appears to be a makeshift underground kitchen/laboratory. + +The Elves are trying to come up with the ultimate hot chocolate recipe; they're even maintaining a +scoreboard which tracks the quality score (0-9) of each recipe. + +Only two recipes are on the board: the first recipe got a score of 3, the second, 7. Each of the two +Elves has a current recipe: the first Elf starts with the first recipe, and the second Elf starts +with the second recipe. + +To create new recipes, the two Elves combine their current recipes. This creates new recipes from +the digits of the sum of the current recipes' scores. With the current recipes' scores of 3 and 7, +their sum is 10, and so two new recipes would be created: the first with score 1 and the second with +score 0. If the current recipes' scores were 2 and 3, the sum, 5, would only create one recipe (with +a score of 5) with its single digit. + +The new recipes are added to the end of the scoreboard in the order they are created. So, after the +first round, the scoreboard is 3, 7, 1, 0. + +After all new recipes are added to the scoreboard, each Elf picks a new current recipe. To do this, +the Elf steps forward through the scoreboard a number of recipes equal to 1 plus the score of their +current recipe. So, after the first round, the first Elf moves forward 1 + 3 = 4 times, while the +second Elf moves forward 1 + 7 = 8 times. If they run out of recipes, they loop back around to the +beginning. After the first round, both Elves happen to loop around until they land on the same +recipe that they had in the beginning; in general, they will move to different recipes. + +Drawing the first Elf as parentheses and the second Elf as square brackets, they continue this +process: + +(3)[7] +(3)[7] 1 0 + 3 7 1 [0](1) 0 + 3 7 1 0 [1] 0 (1) +(3) 7 1 0 1 0 [1] 2 + 3 7 1 0 (1) 0 1 2 [4] + 3 7 1 [0] 1 0 (1) 2 4 5 + 3 7 1 0 [1] 0 1 2 (4) 5 1 + 3 (7) 1 0 1 0 [1] 2 4 5 1 5 + 3 7 1 0 1 0 1 2 [4](5) 1 5 8 + 3 (7) 1 0 1 0 1 2 4 5 1 5 8 [9] + 3 7 1 0 1 0 1 [2] 4 (5) 1 5 8 9 1 6 + 3 7 1 0 1 0 1 2 4 5 [1] 5 8 9 1 (6) 7 + 3 7 1 0 (1) 0 1 2 4 5 1 5 [8] 9 1 6 7 7 + 3 7 [1] 0 1 0 (1) 2 4 5 1 5 8 9 1 6 7 7 9 + 3 7 1 0 [1] 0 1 2 (4) 5 1 5 8 9 1 6 7 7 9 2 + +The Elves think their skill will improve after making a few recipes (your puzzle input). However, +that could take ages; you can speed this up considerably by identifying the scores of the ten +recipes after that. For example: + + + - If the Elves think their skill will improve after making 9 recipes, the scores of the ten recipes +after the first nine on the scoreboard would be 5158916779 (highlighted in the last line of the +diagram). + + - After 5 recipes, the scores of the next ten would be 0124515891. + + - After 18 recipes, the scores of the next ten would be 9251071085. + + - After 2018 recipes, the scores of the next ten would be 5941429882. + + +What are the scores of the ten recipes immediately after the number of recipes in your puzzle +input? + + diff --git a/src/14/part2 b/src/14/part2 new file mode 100644 index 0000000..1fc54ca --- /dev/null +++ b/src/14/part2 @@ -0,0 +1,18 @@ +--- Part Two --- + +After collecting ORE for a while, you check your cargo hold: 1 trillion (1000000000000) units of +ORE. + +With that much ore, given the examples above: + + + - The 13312 ORE-per-FUEL example could produce 82892753 FUEL. + + - The 180697 ORE-per-FUEL example could produce 5586022 FUEL. + + - The 2210736 ORE-per-FUEL example could produce 460664 FUEL. + + +Given 1 trillion ORE, what is the maximum amount of FUEL you can produce? + + diff --git a/src/14/solve.py b/src/14/solve.py new file mode 100644 index 0000000..a6c63a3 --- /dev/null +++ b/src/14/solve.py @@ -0,0 +1,37 @@ +import sys +sys.path.append("../common") +import aoc + +data = aoc.data +recipes = [3, 7] + +def solve1(args): + global recipes, data + + end = int(data) + workers = [i for i in range(2)] + while len(recipes) < end + 10: + recipes += [int(c) for c in str(sum(recipes[workers[i]] for i in range(len(workers))))] + for i in range(len(workers)): + workers[i] = (workers[i] + recipes[workers[i]]+1) % len(recipes) + return "".join([str(x) for x in recipes[end:]]) + +def solve2(args): + global recipes, data + + ilen = len(data) + data = [int(c) for c in data] + workers = [i for i in range(2)] + stop = False + counter = 0 + while not stop: + for v in [int(c) for c in str(sum(recipes[workers[i]] for i in range(len(workers))))]: + if recipes[-ilen:] == data: + stop = True + break + recipes.append(v) + for i in range(len(workers)): + workers[i] = (workers[i] + recipes[workers[i]]+1) % len(recipes) + return len(recipes) - ilen + +aoc.run(solve1, solve2, sols=["6107101544", 20291131]) diff --git a/src/15/input b/src/15/input new file mode 100644 index 0000000..c6ec342 --- /dev/null +++ b/src/15/input @@ -0,0 +1,32 @@ +################################ +###############.##...########### +##############..#...G.#..####### +##############.............##### +###############....G....G......# +##########..........#..........# +##########................##..## +######...##..G...G.......####..# +####..G..#G...............####.# +#######......G....G.....G#####E# +#######.................E.###### +########..G...............###### +######....G...#####E...G....#### +######..G..G.#######........#### +###.........#########.......E.## +###..#..#...#########...E.....## +######......#########.......#### +#####...G...#########.....###### +#####G......#########.....###### +#...#G..G....#######......###### +###...##......#####.......###### +####..##..G........E...E..###### +#####.####.....######...######## +###########..#...####...E.###### +###############...####..#...#### +###############...###...#.E.#### +#####################.#E....#### +#####################.#...###### +###################...##.####### +##################..############ +##################...########### +################################ diff --git a/src/15/part1 b/src/15/part1 new file mode 100644 index 0000000..34c087d --- /dev/null +++ b/src/15/part1 @@ -0,0 +1,343 @@ +--- Day 15: Beverage Bandits --- + +Having perfected their hot chocolate, the Elves have a new problem: the Goblins that live in these +caves will do anything to steal it. Looks like they're here for a fight. + +You scan the area, generating a map of the walls (#), open cavern (.), and starting position of +every Goblin (G) and Elf (E) (your puzzle input). + +Combat proceeds in rounds; in each round, each unit that is still alive takes a turn, resolving all +of its actions before the next unit's turn begins. On each unit's turn, it tries to +move into range of an enemy (if it isn't already) and then attack (if it is in range). + +All units are very disciplined and always follow very strict combat rules. Units never move or +attack diagonally, as doing so would be dishonorable. When multiple choices are equally valid, ties +are broken in reading order: top-to-bottom, then left-to-right. For instance, the order in which +units take their turns within a round is the reading order of their starting positions in that +round, regardless of the type of unit or whether other units have moved after the round started. +For example: + + would take their +These units: turns in this order: + ####### ####### + #.G.E.# #.1.2.# + #E.G.E# #3.4.5# + #.G.E.# #.6.7.# + ####### ####### + +Each unit begins its turn by identifying all possible targets (enemy units). If no targets remain, +combat ends. + +Then, the unit identifies all of the open squares (.) that are in range of each target; these are +the squares which are adjacent (immediately up, down, left, or right) to any target and which aren't +already occupied by a wall or another unit. Alternatively, the unit might already be in range of a +target. If the unit is not already in range of a target, and there are no open squares which are in +range of a target, the unit ends its turn. + +If the unit is already in range of a target, it does not move, but continues its turn with an +attack. Otherwise, since it is not in range of a target, it moves. + +To move, the unit first considers the squares that are in range and determines which of those +squares it could reach in the fewest steps. A step is a single movement to any adjacent (immediately +up, down, left, or right) open (.) square. Units cannot move into walls or other units. The unit +does this while considering the current positions of units and does not do any prediction about +where units will be later. If the unit cannot reach (find an open path to) any of the squares that +are in range, it ends its turn. If multiple squares are in range and tied for being reachable in the +fewest steps, the square which is first in reading order is chosen. For example: + +Targets: In range: Reachable: Nearest: Chosen: +####### ####### ####### ####### ####### +#E..G.# #E.?G?# #E.@G.# #E.!G.# #E.+G.# +#...#.# --> #.?.#?# --> #.@.#.# --> #.!.#.# --> #...#.# +#.G.#G# #?G?#G# #@G@#G# #!G.#G# #.G.#G# +####### ####### ####### ####### ####### + +In the above scenario, the Elf has three targets (the three Goblins): + + + - Each of the Goblins has open, adjacent squares which are in range (marked with a ? on the map). + + - Of those squares, four are reachable (marked @); the other two (on the right) would require +moving through a wall or unit to reach. + + - Three of these reachable squares are nearest, requiring the fewest steps (only 2) to reach +(marked !). + + - Of those, the square which is first in reading order is chosen (+). + + +The unit then takes a single step toward the chosen square along the shortest path to that square. +If multiple steps would put the unit equally closer to its destination, the unit chooses the step +which is first in reading order. (This requires knowing when there is more than one shortest +path so that you can consider the first step of each such path.) For example: + +In range: Nearest: Chosen: Distance: Step: +####### ####### ####### ####### ####### +#.E...# #.E...# #.E...# #4E212# #..E..# +#...?.# --> #...!.# --> #...+.# --> #32101# --> #.....# +#..?G?# #..!G.# #...G.# #432G2# #...G.# +####### ####### ####### ####### ####### + +The Elf sees three squares in range of a target (?), two of which are nearest (!), and so the first +in reading order is chosen (+). Under "Distance", each open square is marked with its distance from +the destination square; the two squares to which the Elf could move on this turn (down and to the +right) are both equally good moves and would leave the Elf 2 steps from being in range of the +Goblin. Because the step which is first in reading order is chosen, the Elf moves right one square. + +Here's a larger example of movement: + +Initially: +######### +#G..G..G# +#.......# +#.......# +#G..E..G# +#.......# +#.......# +#G..G..G# +######### + +After 1 round: +######### +#.G...G.# +#...G...# +#...E..G# +#.G.....# +#.......# +#G..G..G# +#.......# +######### + +After 2 rounds: +######### +#..G.G..# +#...G...# +#.G.E.G.# +#.......# +#G..G..G# +#.......# +#.......# +######### + +After 3 rounds: +######### +#.......# +#..GGG..# +#..GEG..# +#G..G...# +#......G# +#.......# +#.......# +######### + +Once the Goblins and Elf reach the positions above, they all are either in range of a target or +cannot find any square in range of a target, and so none of the units can move until a unit dies. + +After moving (or if the unit began its turn in range of a target), the unit attacks. + +To attack, the unit first determines all of the targets that are in range of it by being immediately +adjacent to it. If there are no such targets, the unit ends its turn. Otherwise, the adjacent target +with the fewest hit points is selected; in a tie, the adjacent target with the fewest hit points +which is first in reading order is selected. + +The unit deals damage equal to its attack power to the selected target, reducing its hit points by +that amount. If this reduces its hit points to 0 or fewer, the selected target dies: its square +becomes . and it takes no further turns. + +Each unit, either Goblin or Elf, has 3 attack power and starts with 200 hit points. + +For example, suppose the only Elf is about to attack: + + HP: HP: +G.... 9 G.... 9 +..G.. 4 ..G.. 4 +..EG. 2 --> ..E.. +..G.. 2 ..G.. 2 +...G. 1 ...G. 1 + +The "HP" column shows the hit points of the Goblin to the left in the corresponding row. The Elf is +in range of three targets: the Goblin above it (with 4 hit points), the Goblin to its right (with 2 +hit points), and the Goblin below it (also with 2 hit points). Because three targets are in range, +the ones with the lowest hit points are selected: the two Goblins with 2 hit points each (one to the +right of the Elf and one below the Elf). Of those, the Goblin first in reading order (the one to the +right of the Elf) is selected. The selected Goblin's hit points (2) are reduced by the Elf's attack +power (3), reducing its hit points to -1, killing it. + +After attacking, the unit's turn ends. Regardless of how the unit's turn ends, the next unit in the +round takes its turn. If all units have taken turns in this round, the round ends, and a new round +begins. + +The Elves look quite outnumbered. You need to determine the outcome of the battle: the +number of full rounds that were completed (not counting the round in which combat ends) multiplied +by the sum of the hit points of all remaining units at the moment combat ends. (Combat only ends +when a unit finds no targets during its turn.) + +Below is an entire sample combat. Next to each map, each row's units' hit points are listed from +left to right. + +Initially: +####### +#.G...# G(200) +#...EG# E(200), G(200) +#.#.#G# G(200) +#..G#E# G(200), E(200) +#.....# +####### + +After 1 round: +####### +#..G..# G(200) +#...EG# E(197), G(197) +#.#G#G# G(200), G(197) +#...#E# E(197) +#.....# +####### + +After 2 rounds: +####### +#...G.# G(200) +#..GEG# G(200), E(188), G(194) +#.#.#G# G(194) +#...#E# E(194) +#.....# +####### + +Combat ensues; eventually, the top Elf dies: + +After 23 rounds: +####### +#...G.# G(200) +#..G.G# G(200), G(131) +#.#.#G# G(131) +#...#E# E(131) +#.....# +####### + +After 24 rounds: +####### +#..G..# G(200) +#...G.# G(131) +#.#G#G# G(200), G(128) +#...#E# E(128) +#.....# +####### + +After 25 rounds: +####### +#.G...# G(200) +#..G..# G(131) +#.#.#G# G(125) +#..G#E# G(200), E(125) +#.....# +####### + +After 26 rounds: +####### +#G....# G(200) +#.G...# G(131) +#.#.#G# G(122) +#...#E# E(122) +#..G..# G(200) +####### + +After 27 rounds: +####### +#G....# G(200) +#.G...# G(131) +#.#.#G# G(119) +#...#E# E(119) +#...G.# G(200) +####### + +After 28 rounds: +####### +#G....# G(200) +#.G...# G(131) +#.#.#G# G(116) +#...#E# E(113) +#....G# G(200) +####### + +More combat ensues; eventually, the bottom Elf dies: + +After 47 rounds: +####### +#G....# G(200) +#.G...# G(131) +#.#.#G# G(59) +#...#.# +#....G# G(200) +####### + +Before the 48th round can finish, the top-left Goblin finds that there are no targets remaining, and +so combat ends. So, the number of full rounds that were completed is 47, and the sum of the hit +points of all remaining units is 200+131+59+200 = 590. From these, the outcome of the battle is 47 * +590 = 27730. + +Here are a few example summarized combats: + +####### ####### +#G..#E# #...#E# E(200) +#E#E.E# #E#...# E(197) +#G.##.# --> #.E##.# E(185) +#...#E# #E..#E# E(200), E(200) +#...E.# #.....# +####### ####### + +Combat ends after 37 full rounds +Elves win with 982 total hit points left +Outcome: 37 * 982 = 36334 + +####### ####### +#E..EG# #.E.E.# E(164), E(197) +#.#G.E# #.#E..# E(200) +#E.##E# --> #E.##.# E(98) +#G..#.# #.E.#.# E(200) +#..E#.# #...#.# +####### ####### + +Combat ends after 46 full rounds +Elves win with 859 total hit points left +Outcome: 46 * 859 = 39514 + +####### ####### +#E.G#.# #G.G#.# G(200), G(98) +#.#G..# #.#G..# G(200) +#G.#.G# --> #..#..# +#G..#.# #...#G# G(95) +#...E.# #...G.# G(200) +####### ####### + +Combat ends after 35 full rounds +Goblins win with 793 total hit points left +Outcome: 35 * 793 = 27755 + +####### ####### +#.E...# #.....# +#.#..G# #.#G..# G(200) +#.###.# --> #.###.# +#E#G#G# #.#.#.# +#...#G# #G.G#G# G(98), G(38), G(200) +####### ####### + +Combat ends after 54 full rounds +Goblins win with 536 total hit points left +Outcome: 54 * 536 = 28944 + +######### ######### +#G......# #.G.....# G(137) +#.E.#...# #G.G#...# G(200), G(200) +#..##..G# #.G##...# G(200) +#...##..# --> #...##..# +#...#...# #.G.#...# G(200) +#.G...G.# #.......# +#.....G.# #.......# +######### ######### + +Combat ends after 20 full rounds +Goblins win with 937 total hit points left +Outcome: 20 * 937 = 18740 + +What is the outcome of the combat described in your puzzle input? + + diff --git a/src/15/part2 b/src/15/part2 new file mode 100644 index 0000000..749d947 --- /dev/null +++ b/src/15/part2 @@ -0,0 +1,57 @@ +--- Part Two --- + +You quickly repair the oxygen system; oxygen gradually fills the area. + +Oxygen starts in the location containing the repaired oxygen system. It takes one minute for oxygen +to spread to all open locations that are adjacent to a location that already contains oxygen. +Diagonal locations are not adjacent. + +In the example above, suppose you've used the droid to explore the area fully and have the following +map (where locations that currently contain oxygen are marked O): + + ## +#..## +#.#..# +#.O.# + ### + +Initially, the only location which contains oxygen is the location of the repaired oxygen system. +However, after one minute, the oxygen spreads to all open (.) locations that are adjacent to a +location containing oxygen: + + ## +#..## +#.#..# +#OOO# + ### + +After a total of two minutes, the map looks like this: + + ## +#..## +#O#O.# +#OOO# + ### + +After a total of three minutes: + + ## +#O.## +#O#OO# +#OOO# + ### + +And finally, the whole region is full of oxygen after a total of four minutes: + + ## +#OO## +#O#OO# +#OOO# + ### + +So, in this example, all locations contain oxygen after 4 minutes. + +Use the repair droid to get a complete map of the area. How many minutes will it take to fill with +oxygen? + + diff --git a/src/15/solve.py b/src/15/solve.py new file mode 100644 index 0000000..cc16c9d --- /dev/null +++ b/src/15/solve.py @@ -0,0 +1,229 @@ +import sys +sys.path.append("../common") +import aoc + +data = aoc.data.split("\n") +actors = list() + +def parse_entity(x, y): + global actors + c = data[y][x] + if c == "#": + return 1 + else: + if c == "G": + actors.append([x, y, 200, 1, len(actors), 3]) + elif c == "E": + actors.append([x, y, 200, 0, len(actors), 3]) + return 0 + +ylen = len(data) +xlen = len(data[0]) + +adjacent = [[0, -1], [-1, 0], [1, 0], [0, 1]] # first in reading order +vmap = list() + +def set_game(): + global vmap, actors + actors = list() + vmap = [[parse_entity(x, y) for x in range(xlen)] for y in range(ylen)] + + +def inmap(cmap, cx, cy): + for i in range(len(cmap)): + ent = cmap[i] + if ent[0] == cx and ent[1] == cy: + return i + return None + +def iswall(x,y): + return vmap[y][x] != 0 + +def isblocked(x, y): + return (vmap[y][x] != 0 or inmap(actors, x, y) != None) + +def freeAdjacent(x, y): + poslist = list() + for dir in adjacent: + nx = x + dir[0] + ny = y + dir[1] + if not isblocked(nx, ny): + poslist.append((nx,ny)) + return poslist + +def flatten(l): + flat = list() + for ll in l: + flat += ll + return flat + +def drawMap(): + global actors + + for y in range(ylen): + for x in range(xlen): + ind = inmap(actors, x, y) + aoc.debug(("G" if actors[ind][3] == 1 else "E") \ + if ind != None else ("." if vmap[y][x] == 0 else "#"), end="") + aoc.debug() + +def getSteps(cmap, a1): + # adjacent squares + npos = [[a1[0] + dir[0], a1[1] + dir[1]] for dir in adjacent] + + # pos of enemy and distance + steps = [[np[0], np[1], cmap[np[0], np[1]]] for np in npos if (np[0], np[1]) in cmap] + + return steps + +def closestStep(a1, a2): + countmap = dict() + next = dict() + next[(a2[0], a2[1])] = 0 + counter = 0 + steps = list() + while len(next) > 0 and len(steps) == 0: # first steps available will be shortest + countmap = {**countmap, **next} # merge dictionaries + counter += 1 + temp = dict() + for n in next: + for dir in adjacent: + nx = n[0]+dir[0] + ny = n[1]+dir[1] + if not isblocked(nx, ny) and (nx, ny) not in countmap and (nx, ny) not in temp: + temp[(nx,ny)] = counter + next = temp + steps = getSteps(countmap, a1) + + # if reachable + if len(steps) != 0: + return sorted(steps, key = lambda x : (x[1], x[0]))[0] + else: + return [None] + +def move(a): + global actors + + # best steps from enemies + steps = [[na[0], na[1]] + closestStep(a, na) for na in actors if na[3] != a[3]] + + # only where step is possible + steps = [s for s in steps if s[2] != None] + + # skip when none possible + if len(steps) == 0: + return + + # best move + bestmove = sorted(steps, key = lambda x : (x[4], x[1], x[0]))[0] + a[0] = bestmove[2] + a[1] = bestmove[3] + +def getInrange(a): + global actors + + inrange = list() + for dir in adjacent: + nx = a[0] + dir[0] + ny = a[1] + dir[1] + ind = inmap(actors, nx, ny) + if ind != None and actors[ind][3] != a[3]: + inrange.append(ind) + return inrange + +def next_tick(tick): + global actors + + actors = sorted(actors, key=lambda x: (x[1], x[0]), reverse=True) + i = len(actors)-1 + + while i >= 0: + a = actors[i] + inrange = getInrange(a) # get enemies in range + if len(inrange) == 0: + move(a) + inrange = getInrange(a) + + if len(inrange) != 0: + inrange = [actors[ai] + [ai] for ai in inrange] + + # lowest health in reading order + cai = sorted(inrange, key = lambda x : (x[2], x[1], x[0]))[0][-1] + + # attack player + actors[cai][2] -= a[5] # attack + if actors[cai][2] <= 0: + actors.pop(cai) # dead + aoc.debug("death -",cai) + if min_alive() == 0 and i != 0: # incomplete round + return False + if cai < i: i -= 1 + + if aoc.debug_lvl and False: + aoc.debug() + aoc.debug("small step -",a[4]) + drawMap() + status_report() + i -= 1 + + if aoc.debug_lvl: + aoc.debug() + aoc.debug("tick:", tick) + drawMap() + status_report() + else: + aoc.debug(tick) + + return True + +def min_alive(): + alive = [0,0] + for a in actors: + alive[1 * (a[3] == 0)] += 1 + return min(alive) + +def sum_hp(): + return sum(a[2] for a in actors) + +def status_report(): + global actors + + sactors = sorted(actors, key = lambda x:x[4]) + for a in sactors: + aoc.debug("HP:", a[2]) + aoc.debug() + +def elves_alive(): + return len([a for a in actors if a[3] == 0]) + +def start_battle(eap): + global actors + + set_game() + for a in actors: + if a[3] == 0: + a[5] = eap + + elfcount = elves_alive() + + ticks = 0 + while min_alive() > 0: + if next_tick(ticks): + ticks += 1 + status_report() + + return ((sum_hp() * ticks), (elfcount - elves_alive())) + +def solve1(args): + res = start_battle(3) + return res[0] + +def solve2(args): + eap = 4 + res = start_battle(eap) + while res[1] != 0: + eap += 1 + res = start_battle(eap) + return res[0] + +aoc.run(solve1, solve2, sols=[229798, 52972]) diff --git a/src/15/test1 b/src/15/test1 new file mode 100644 index 0000000..ac399d6 --- /dev/null +++ b/src/15/test1 @@ -0,0 +1,7 @@ +####### +#G..#E# +#E#E.E# +#G.##.# +#...#E# +#...E.# +####### diff --git a/src/15/test2 b/src/15/test2 new file mode 100644 index 0000000..58f778d --- /dev/null +++ b/src/15/test2 @@ -0,0 +1,7 @@ +####### +#E..EG# +#.#G.E# +#E.##E# +#G..#.# +#..E#.# +####### diff --git a/src/15/test3 b/src/15/test3 new file mode 100644 index 0000000..6dc1c08 --- /dev/null +++ b/src/15/test3 @@ -0,0 +1,7 @@ +####### +#E.G#.# +#.#G..# +#G.#.G# +#G..#.# +#...E.# +####### diff --git a/src/15/test4 b/src/15/test4 new file mode 100644 index 0000000..2343d7b --- /dev/null +++ b/src/15/test4 @@ -0,0 +1,7 @@ +####### +#.E...# +#.#..G# +#.###.# +#E#G#G# +#...#G# +####### diff --git a/src/15/test5 b/src/15/test5 new file mode 100644 index 0000000..95882b2 --- /dev/null +++ b/src/15/test5 @@ -0,0 +1,9 @@ +######### +#G......# +#.E.#...# +#..##..G# +#...##..# +#...#...# +#.G...G.# +#.....G.# +######### diff --git a/src/15/test6 b/src/15/test6 new file mode 100644 index 0000000..291d351 --- /dev/null +++ b/src/15/test6 @@ -0,0 +1,7 @@ +####### +#.G...# +#...EG# +#.#.#G# +#..G#E# +#.....# +####### diff --git a/src/16/input b/src/16/input new file mode 100644 index 0000000..71f3ecd --- /dev/null +++ b/src/16/input @@ -0,0 +1,4148 @@ +Before: [1, 1, 0, 1] +0 1 0 1 +After: [1, 1, 0, 1] + +Before: [2, 2, 2, 1] +2 1 2 2 +After: [2, 2, 1, 1] + +Before: [1, 3, 2, 2] +1 2 2 0 +After: [4, 3, 2, 2] + +Before: [2, 2, 1, 1] +8 0 2 1 +After: [2, 3, 1, 1] + +Before: [0, 1, 2, 2] +7 3 1 1 +After: [0, 3, 2, 2] + +Before: [1, 2, 2, 0] +8 2 0 1 +After: [1, 3, 2, 0] + +Before: [2, 2, 2, 0] +2 1 2 0 +After: [1, 2, 2, 0] + +Before: [0, 1, 1, 1] +3 1 0 1 +After: [0, 1, 1, 1] + +Before: [2, 3, 2, 2] +15 1 2 2 +After: [2, 3, 6, 2] + +Before: [0, 3, 1, 1] +9 0 0 3 +After: [0, 3, 1, 0] + +Before: [2, 0, 1, 1] +4 2 3 2 +After: [2, 0, 0, 1] + +Before: [1, 1, 3, 3] +6 0 3 3 +After: [1, 1, 3, 0] + +Before: [3, 2, 3, 2] +11 1 3 3 +After: [3, 2, 3, 1] + 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0 1 +14 1 2 1 +14 1 2 1 +1 2 1 2 +3 2 2 1 +7 3 3 3 +7 3 2 2 +8 0 2 0 +14 0 3 0 +1 0 1 1 +7 0 2 2 +7 2 1 3 +14 1 0 0 +13 0 3 0 +2 2 0 0 +14 0 3 0 +14 0 3 0 +1 0 1 1 +3 1 0 2 +7 2 2 0 +7 2 3 1 +11 0 3 0 +14 0 3 0 +14 0 1 0 +1 0 2 2 +3 2 2 3 +7 2 2 0 +7 1 3 2 +14 3 0 1 +13 1 3 1 +12 0 1 0 +14 0 2 0 +14 0 3 0 +1 3 0 3 +3 3 2 0 +7 2 2 2 +7 0 1 3 +6 3 2 3 +14 3 1 3 +1 3 0 0 diff --git a/src/16/part1 b/src/16/part1 new file mode 100644 index 0000000..d0582fd --- /dev/null +++ b/src/16/part1 @@ -0,0 +1,136 @@ +--- Day 16: Chronal Classification --- + +As you see the Elves defend their hot chocolate successfully, you go back to falling through time. +This is going to become a problem. + +If you're ever going to return to your own time, you need to understand how this device on your +wrist works. You have a little while before you reach your next destination, and with a bit of trial +and error, you manage to pull up a programming manual on the device's tiny screen. + +According to the manual, the device has four registers (numbered 0 through 3) that can be +manipulated by instructions containing one of 16 opcodes. The registers start with the value 0. + +Every instruction consists of four values: an opcode, two inputs (named A and B), and an +output (named C), in that order. The opcode specifies the behavior of the instruction and how the +inputs are interpreted. The output, C, is always treated as a register. + +In the opcode descriptions below, if something says "value A", it means to take the number given as +A literally. (This is also called an "immediate" value.) If something says "register A", it means to +use the number given as A to read from (or write to) the register with that number. So, if the +opcode addi adds register A and value B, storing the result in register C, and the instruction addi +0 7 3 is encountered, it would add 7 to the value contained by register 0 and store the sum in +register 3, never modifying registers 0, 1, or 2 in the process. + +Many opcodes are similar except for how they interpret their arguments. The opcodes fall into seven +general categories: + +Addition: + + + - addr (add register) stores into register C the result of adding register A and register B. + + - addi (add immediate) stores into register C the result of adding register A and value B. + + +Multiplication: + + + - mulr (multiply register) stores into register C the result of multiplying register A and register +B. + + - muli (multiply immediate) stores into register C the result of multiplying register A and value +B. + + +Bitwise AND: + + + - banr (bitwise AND register) stores into register C the result of the bitwise AND of register A +and register B. + + - bani (bitwise AND immediate) stores into register C the result of the bitwise AND of register A +and value B. + + +Bitwise OR: + + + - borr (bitwise OR register) stores into register C the result of the bitwise OR of register A and +register B. + + - bori (bitwise OR immediate) stores into register C the result of the bitwise OR of register A and +value B. + + +Assignment: + + + - setr (set register) copies the contents of register A into register C. (Input B is ignored.) + + - seti (set immediate) stores value A into register C. (Input B is ignored.) + + +Greater-than testing: + + + - gtir (greater-than immediate/register) sets register C to 1 if value A is greater than register +B. Otherwise, register C is set to 0. + + - gtri (greater-than register/immediate) sets register C to 1 if register A is greater than value +B. Otherwise, register C is set to 0. + + - gtrr (greater-than register/register) sets register C to 1 if register A is greater than register +B. Otherwise, register C is set to 0. + + +Equality testing: + + + - eqir (equal immediate/register) sets register C to 1 if value A is equal to register B. +Otherwise, register C is set to 0. + + - eqri (equal register/immediate) sets register C to 1 if register A is equal to value B. +Otherwise, register C is set to 0. + + - eqrr (equal register/register) sets register C to 1 if register A is equal to register B. +Otherwise, register C is set to 0. + + +Unfortunately, while the manual gives the name of each opcode, it doesn't seem to indicate the +number. However, you can monitor the CPU to see the contents of the registers before and after +instructions are executed to try to work them out. Each opcode has a number from 0 through 15, but +the manual doesn't say which is which. For example, suppose you capture the following sample: + +Before: [3, 2, 1, 1] +9 2 1 2 +After: [3, 2, 2, 1] + +This sample shows the effect of the instruction 9 2 1 2 on the registers. Before the instruction is +executed, register 0 has value 3, register 1 has value 2, and registers 2 and 3 have value 1. After +the instruction is executed, register 2's value becomes 2. + +The instruction itself, 9 2 1 2, means that opcode 9 was executed with A=2, B=1, and C=2. Opcode 9 +could be any of the 16 opcodes listed above, but only three of them behave in a way that would cause +the result shown in the sample: + + + - Opcode 9 could be mulr: register 2 (which has a value of 1) times register 1 (which has a value +of 2) produces 2, which matches the value stored in the output register, register 2. + + - Opcode 9 could be addi: register 2 (which has a value of 1) plus value 1 produces 2, which +matches the value stored in the output register, register 2. + + - Opcode 9 could be seti: value 2 matches the value stored in the output register, register 2; the +number given for B is irrelevant. + + +None of the other opcodes produce the result captured in the sample. Because of this, the sample +above behaves like three opcodes. + +You collect many of these samples (the first section of your puzzle input). The manual also includes +a small test program (the second section of your puzzle input) - you can ignore it for now. + +Ignoring the opcode numbers, how many samples in your puzzle input behave like three or more +opcodes? + + diff --git a/src/16/part2 b/src/16/part2 new file mode 100644 index 0000000..609807e --- /dev/null +++ b/src/16/part2 @@ -0,0 +1,32 @@ +--- Part Two --- + +Now that your FFT is working, you can decode the real signal. + +The real signal is your puzzle input repeated 10000 times. Treat this new signal as a single input +list. Patterns are still calculated as before, and 100 phases of FFT are still applied. + +The first seven digits of your initial input signal also represent the message offset. The message +offset is the location of the eight-digit message in the final output list. Specifically, the +message offset indicates the number of digits to skip before reading the eight-digit message. For +example, if the first seven digits of your initial input signal were 1234567, the eight-digit +message would be the eight digits after skipping 1,234,567 digits of the final output list. Or, if +the message offset were 7 and your final output list were 98765432109876543210, the eight-digit +message would be 21098765. (Of course, your real message offset will be a seven-digit number, not a +one-digit number like 7.) + +Here is the eight-digit message in the final output list after 100 phases. The message offset given +in each input has been highlighted. (Note that the inputs given below are repeated 10000 times to +find the actual starting input lists.) + + + - 03036732577212944063491565474664 becomes 84462026. + + - 02935109699940807407585447034323 becomes 78725270. + + - 03081770884921959731165446850517 becomes 53553731. + + +After repeating your input signal 10000 times and running 100 phases of FFT, what is the eight-digit +message embedded in the final output list? + + diff --git a/src/16/solve.py b/src/16/solve.py new file mode 100644 index 0000000..f9a11b6 --- /dev/null +++ b/src/16/solve.py @@ -0,0 +1,109 @@ +import sys +sys.path.append("../common") +import aoc + +def parse_log(ls): + data = list() + before = [int(v) for v in ls[0].split("[")[1].split("]")[0].split(",")] + ins = [int(v) for v in ls[1].split(" ")] + after = [int(v) for v in ls[2].split("[")[1].split("]")[0].split(",")] + return (before, ins, after) + +inslog = [] +data = aoc.data.split("\n") +progsec = None +for i in range(0, len(data), 4): + if data[i] == "\n": + progsec = i + break + inslog.append(parse_log(data[i:i+4])) + +register = list() + +opmap = dict() +opmap["addr"] = lambda a, b : register[a] + register[b] +opmap["addi"] = lambda a, b : register[a] + b +opmap["mulr"] = lambda a, b : register[a] * register[b] +opmap["muli"] = lambda a, b : register[a] * b +opmap["banr"] = lambda a, b : register[a] & register[b] +opmap["bani"] = lambda a, b : register[a] & b +opmap["borr"] = lambda a, b : register[a] | register[b] +opmap["bori"] = lambda a, b : register[a] | b +opmap["setr"] = lambda a, b : register[a] +opmap["seti"] = lambda a, b : a +opmap["gtir"] = lambda a, b : 1 * (a > register[b]) +opmap["gtri"] = lambda a, b : 1 * (register[a] > b) +opmap["gtrr"] = lambda a, b : 1 * (register[a] > register[b]) +opmap["eqir"] = lambda a, b : 1 * (a == register[b]) +opmap["eqri"] = lambda a, b : 1 * (register[a] == b) +opmap["eqrr"] = lambda a, b : 1 * (register[a] == register[b]) + +def get_possible(ins): + global register + sregister = register[:] + before = ins[0] + after = ins[2] + register = before + a = ins[1][1] + b = ins[1][2] + c = ins[1][3] + ops = list(opmap.values()) + possibles = list() + for i in range(len(ops)): + op = ops[i] + res = None + try: + res = op(a, b) + except: + continue + if res == after[c]: + possibles.append(i) + register = sregister + return possibles + +def solve1(args): + global register + uncertain = 0 + for ins in inslog: + if len(get_possible(ins)) >= 3: + uncertain += 1 + return uncertain + +def solve2(args): + possible = dict() + for ins in inslog: + o = ins[1][0] + if o in possible: + possible[o] = [op for op in get_possible(ins) if op in possible[o]] + else: + possible[o] = get_possible(ins) + + certain = False + while not certain: + singles = [p[0] for p in possible.values() if len(p) == 1] + for p in possible: + if len(possible[p]) != 1: + possible[p] = [v for v in possible[p] if v not in singles] + + certain = True + for p in possible.values(): + if len(p) != 1: + certain = False + break + + ntrans = dict() + for p in possible: # flatten + ntrans[p] = possible[p][0] + + for i in range(progsec, len(data)): # execute program + l = data[i] + if l == "\n": continue + cmd = [int(v) for v in l.split(" ")] + while len(register)-1 < cmd[3]: + register.append(0) + + register[cmd[3]] = list(opmap.values())[ntrans[cmd[0]]](cmd[1], cmd[2]) + + return register[0] + +aoc.run(solve1, solve2, sols=[531, 649]) diff --git a/src/17/.gitignore b/src/17/.gitignore new file mode 100644 index 0000000..53752db --- /dev/null +++ b/src/17/.gitignore @@ -0,0 +1 @@ +output diff --git a/src/17/input b/src/17/input new file mode 100644 index 0000000..c383645 --- /dev/null +++ b/src/17/input @@ -0,0 +1,1884 @@ +x=309, y=1432..1458 +y=231, x=423..450 +y=1629, x=355..382 +y=1321, x=462..472 +x=478, y=804..815 +x=447, y=583..592 +y=1585, x=315..369 +x=463, y=743..745 +y=1705, x=370..372 +x=478, y=784..794 +x=590, y=149..154 +x=322, y=839..858 +x=322, y=33..38 +y=257, x=474..501 +y=530, x=562..584 +x=588, y=1364..1368 +y=1048, x=567..578 +x=391, y=395..398 +x=585, y=1397..1401 +y=590, x=452..467 +x=549, y=133..146 +y=743, x=463..465 +x=377, y=564..585 +x=405, y=91..97 +x=356, y=893..907 +x=410, y=700..702 +x=583, y=1128..1132 +x=375, y=1449..1455 +x=354, y=1408..1418 +y=876, x=468..477 +y=573, x=402..408 +y=667, x=390..409 +y=1393, x=490..495 +y=1719, x=614..617 +x=379, y=510..530 +y=524, x=369..371 +x=442, y=9..21 +x=380, y=950..975 +x=552, y=66..68 +x=429, y=1005..1020 +x=340, y=216..240 +y=1115, x=580..608 +x=487, y=672..689 +y=519, x=460..468 +y=450, x=503..506 +y=1104, x=369..494 +y=367, x=588..592 +x=409, y=1604..1630 +y=681, x=615..629 +y=1544, x=397..400 +y=71, x=338..349 +x=444, y=283..288 +x=622, y=224..251 +x=465, y=743..745 +x=591, y=1464..1471 +x=349, y=1691..1696 +x=327, y=1158..1162 +x=566, y=237..247 +x=533, y=1366..1368 +y=398, x=364..391 +x=382, y=1446..1458 +x=387, y=1637..1645 +y=266, x=505..524 +y=911, x=365..392 +x=618, y=348..350 +y=24, x=550..568 +y=244, x=558..560 +y=1046, x=360..378 +x=530, y=502..515 +y=1270, x=610..620 +x=623, y=136..162 +y=1477, x=330..349 +x=415, y=834..850 +x=358, y=1489..1502 +x=617, y=1707..1719 +y=1223, x=460..476 +x=382, y=1294..1319 +x=492, y=177..184 +x=372, y=1695..1705 +x=538, y=1573..1598 +x=415, y=238..249 +x=383, y=1070..1077 +y=1371, x=579..600 +x=394, y=1071..1077 +x=586, y=320..334 +x=420, y=481..499 +x=520, y=1307..1320 +x=349, y=1593..1605 +x=577, y=1291..1314 +y=1728, x=326..348 +x=628, y=1007..1011 +y=1424, x=605..608 +x=435, y=1072..1076 +x=355, y=1250..1256 +x=390, y=648..667 +x=520, y=695..721 +y=1011, x=603..628 +x=404, y=701..702 +x=584, y=685..687 +y=1357, x=354..356 +y=645, x=614..620 +x=470, y=992..1002 +y=1543, x=381..385 +y=1143, x=544..546 +x=320, y=1232..1234 +x=633, y=1132..1142 +x=477, y=872..876 +x=340, y=316..339 +x=352, y=1073..1079 +x=486, y=814..831 +x=475, y=1620..1640 +x=553, y=1074..1086 +y=1579, x=345..361 +x=522, y=457..458 +y=585, x=498..635 +x=468, y=513..519 +y=745, x=463..465 +y=1537, x=397..400 +x=448, y=1004..1020 +x=492, y=1543..1546 +x=567, y=1593..1614 +x=566, y=1384..1393 +x=491, y=717..729 +x=334, y=461..481 +y=1697, x=505..508 +y=1437, x=389..403 +x=582, y=36..48 +x=594, y=1323..1345 +x=401, y=1495..1501 +y=1335, x=494..508 +y=782, x=509..511 +x=611, y=484..496 +x=462, y=1281..1297 +x=503, y=1436..1462 +y=850, x=415..420 +y=646, x=336..361 +x=548, y=238..247 +x=330, y=404..406 +x=502, y=408..426 +y=1122, x=307..309 +y=1084, x=342..359 +y=1144, x=312..334 +y=1409, x=380..387 +x=591, y=263..266 +x=367, y=1493..1495 +y=147, x=348..350 +x=496, y=1689..1707 +y=1037, x=434..450 +x=533, y=502..515 +x=513, y=676..689 +x=478, y=700..710 +x=368, y=778..781 +y=1380, x=346..363 +x=604, y=481..493 +x=325, y=438..459 +x=621, y=1606..1614 +y=1533, x=528..530 +x=603, y=929..942 +x=541, y=504..518 +y=1126, x=514..537 +y=369, x=588..592 +x=578, y=216..224 +x=558, y=88..92 +y=997, x=491..500 +x=509, y=779..782 +x=540, y=983..993 +y=641, x=365..370 +x=332, y=501..524 +x=542, y=1261..1274 +y=885, x=417..433 +x=514, y=384..387 +y=1252, x=309..321 +x=412, y=1571..1597 +x=409, y=648..667 +y=1096, x=510..512 +y=1694, x=430..441 +x=516, y=1005..1025 +x=460, y=513..519 +y=1640, x=463..475 +x=420, y=1684..1686 +x=523, y=556..560 +x=381, y=1349..1352 +x=559, y=443..450 +y=975, x=354..380 +x=356, y=865..872 +x=500, y=528..542 +x=402, y=1639..1649 +y=1422, x=605..608 +x=383, y=1474..1476 +y=1385, x=618..633 +x=378, y=240..265 +x=548, y=322..326 +x=570, y=342..351 +x=552, y=1366..1368 +y=836, x=306..322 +x=528, y=527..537 +x=382, y=1617..1629 +x=295, y=1349..1351 +x=326, y=1266..1278 +y=235, x=460..466 +y=53, x=362..384 +x=440, y=157..170 +y=625, x=347..372 +x=610, y=339..353 +y=836, x=464..480 +x=524, y=1572..1598 +y=1604, x=376..378 +x=429, y=180..182 +y=1073, x=350..352 +y=713, x=336..359 +x=618, y=1343..1356 +x=378, y=692..695 +x=471, y=92..101 +x=610, y=1192..1194 +y=1217, x=431..455 +y=1146, x=360..520 +y=73, x=314..316 +x=592, y=1296..1308 +y=1617, x=303..307 +x=324, y=673..687 +x=594, y=793..799 +x=496, y=1051..1063 +x=342, y=400..413 +x=502, y=72..82 +x=578, y=257..268 +y=1255, x=509..528 +x=534, y=1153..1163 +x=599, y=680..694 +y=1667, x=582..599 +x=352, y=1388..1399 +x=373, y=826..832 +x=466, y=230..235 +x=343, y=584..595 +x=626, y=1148..1164 +y=1234, x=484..509 +x=322, y=1053..1056 +x=349, y=1664..1667 +x=335, y=500..524 +x=533, y=278..279 +x=392, y=132..136 +x=434, y=1037..1039 +x=537, y=484..489 +x=375, y=1474..1476 +x=445, y=360..387 +x=555, y=406..420 +x=365, y=897..911 +y=324, x=378..389 +y=1702, x=457..473 +x=353, y=1368..1377 +x=460, y=950..959 +y=354, x=444..449 +y=1505, x=569..578 +x=329, y=1681..1699 +x=476, y=1214..1223 +x=569, y=523..525 +y=542, x=522..538 +y=1684, x=370..375 +x=618, y=1188..1202 +x=518, y=1239..1248 +x=415, y=1206..1210 +x=306, y=818..836 +x=438, y=1605..1618 +x=373, y=1621..1623 +x=595, y=1591..1599 +x=348, y=1725..1728 +x=552, y=864..867 +x=504, y=245..247 +y=537, x=528..532 +y=869, x=584..601 +x=339, y=1536..1540 +y=1271, x=511..524 +x=602, y=147..162 +y=1446, x=509..534 +y=1563, x=326..344 +y=563, x=305..330 +y=1536, x=339..344 +x=440, y=325..330 +y=1182, x=510..514 +x=481, y=493..506 +y=313, x=576..592 +x=393, y=371..376 +x=394, y=1262..1272 +x=591, y=710..727 +x=345, y=250..265 +y=995, x=568..577 +y=278, x=413..418 +x=598, y=1073..1099 +y=1560, x=333..338 +x=486, y=32..44 +x=577, y=926..934 +x=361, y=642..646 +y=193, x=528..549 +x=301, y=518..544 +y=1208, x=312..321 +x=342, y=656..662 +x=603, y=1323..1345 +x=503, y=775..785 +y=689, x=396..400 +x=596, y=895..902 +x=526, y=833..841 +x=498, y=783..794 +x=326, y=1725..1728 +x=475, y=1563..1588 +x=419, y=724..738 +x=321, y=1527..1531 +x=433, y=142..158 +x=596, y=1469..1496 +x=341, y=982..989 +y=378, x=497..504 +y=1599, x=621..633 +x=355, y=1617..1629 +y=1039, x=434..450 +x=360, y=827..832 +x=393, y=1467..1479 +y=937, x=344..350 +x=501, y=251..257 +y=526, x=369..371 +x=527, y=427..438 +y=1599, x=595..615 +x=486, y=1562..1588 +x=358, y=1550..1563 +y=82, x=471..502 +x=300, y=259..276 +y=808, x=492..494 +x=444, y=335..354 +y=1368, x=443..445 +x=567, y=1022..1048 +x=620, y=440..452 +x=572, y=600..612 +x=442, y=583..592 +y=194, x=622..624 +y=184, x=375..379 +x=304, y=1432..1458 +x=443, y=617..637 +x=332, y=1446..1458 +x=327, y=888..913 +x=588, y=1463..1471 +y=1278, x=313..326 +y=493, x=526..550 +x=301, y=438..459 +x=467, y=1158..1182 +y=592, x=442..447 +x=618, y=1364..1385 +x=499, y=35..37 +x=470, y=673..689 +x=620, y=1255..1270 +x=329, y=792..815 +x=389, y=513..532 +y=1598, x=524..538 +x=350, y=1073..1079 +x=414, y=514..532 +x=334, y=128..155 +y=1021, x=404..422 +x=543, y=1457..1476 +x=527, y=297..303 +x=363, y=1677..1687 +x=325, y=399..413 +x=436, y=728..749 +x=561, y=1187..1192 +x=632, y=1149..1164 +y=630, x=474..493 +y=1471, x=422..436 +y=1074, x=553..556 +y=882, x=377..389 +x=404, y=1010..1021 +x=307, y=1461..1481 +y=1018, x=473..478 +x=568, y=35..48 +x=351, y=1194..1202 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x=350..352 +x=385, y=1527..1543 +x=485, y=1010..1021 +y=80, x=408..427 +x=371, y=109..117 +x=454, y=1245..1255 +y=944, x=384..412 +x=524, y=1550..1560 +y=989, x=327..341 +y=69, x=314..316 +x=370, y=1511..1525 +y=1476, x=524..543 +x=330, y=1465..1477 +y=1317, x=528..555 +y=727, x=582..591 +x=409, y=1363..1372 +x=609, y=1022..1025 +y=240, x=333..340 +y=1165, x=425..428 +x=534, y=384..387 +x=515, y=219..224 +x=485, y=854..856 +x=377, y=876..882 +x=543, y=431..434 +y=602, x=322..330 +x=464, y=1238..1256 +x=400, y=1537..1544 +x=482, y=1375..1398 +x=315, y=1611..1625 +x=613, y=1040..1061 +x=436, y=1457..1471 +x=378, y=1593..1604 +x=535, y=431..434 +x=344, y=1536..1540 +y=1630, x=409..420 +x=546, y=1511..1536 +y=101, x=453..471 +x=615, y=666..681 +y=981, x=405..470 +y=1455, x=373..375 +x=550, y=11..24 +x=403, y=1418..1437 +y=76, x=413..420 +x=604, y=718..720 +x=422, y=1520..1526 +x=541, y=917..934 +y=706, x=486..493 +x=413, y=221..226 +x=504, y=375..378 +x=598, y=361..372 +x=472, y=821..832 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y=89..111 +x=370, y=1468..1479 +x=424, y=23..34 +x=629, y=367..394 +y=519, x=598..623 +x=493, y=618..630 +x=468, y=342..347 +x=369, y=524..526 +x=478, y=1008..1018 +x=554, y=1281..1291 +x=532, y=527..537 +x=450, y=217..231 +x=590, y=180..195 +x=511, y=918..944 +x=352, y=736..756 +x=553, y=1168..1180 +x=599, y=16..32 +x=418, y=273..278 +y=621, x=383..392 +x=499, y=1568..1577 +x=479, y=338..356 +y=913, x=324..327 +x=438, y=1395..1409 +x=344, y=911..937 +y=755, x=518..525 +x=372, y=599..625 +y=1255, x=436..454 +x=423, y=218..231 +y=1560, x=516..524 +x=548, y=1281..1291 +x=560, y=108..130 +y=749, x=422..436 +x=515, y=10..23 +y=1077, x=383..394 +y=1273, x=549..564 +x=382, y=1363..1372 +x=313, y=471..481 +y=1294, x=542..560 +x=380, y=100..120 +x=558, y=381..393 +x=610, y=744..772 +y=315, x=399..416 +x=420, y=834..850 +y=942, x=603..609 +y=1000, x=395..411 +y=134, x=430..436 +x=484, y=1221..1234 +y=1504, x=468..470 +x=463, y=1498..1518 +x=359, y=1281..1301 +y=111, x=306..329 +x=524, y=250..266 +x=410, y=609..635 +y=734, x=530..544 +x=371, y=1714..1727 +x=416, y=306..315 +x=445, y=1356..1368 +y=154, x=590..595 +x=359, y=100..120 +y=1520, x=444..447 +x=602, y=1488..1493 +y=1481, x=307..312 +y=662, x=342..370 +x=509, y=346..349 +y=687, x=324..351 +x=512, y=345..349 +x=347, y=1016..1021 +x=540, y=1070..1090 +x=311, y=821..824 +y=288, x=444..466 +x=489, y=1184..1199 +x=580, y=627..637 +x=417, y=363..366 +x=498, y=304..312 +y=182, x=429..453 +x=332, y=1231..1234 +x=422, y=727..749 +x=493, y=704..706 +y=1538, x=430..451 +x=475, y=1408..1412 +x=566, y=841..850 +x=470, y=967..981 +x=453, y=91..101 +x=431, y=1073..1076 +x=334, y=1483..1495 +y=326, x=539..548 +y=186, x=375..379 +x=428, y=594..601 +x=585, y=274..287 +x=467, y=209..212 +y=1633, x=478..483 +x=389, y=1417..1437 +x=471, y=209..212 +y=184, x=492..502 +x=463, y=759..772 +x=540, y=609..617 +x=333, y=215..240 +x=518, y=696..721 +x=483, y=1070..1082 +x=458, y=360..385 +y=1163, x=509..534 +x=370, y=630..641 +y=817, x=514..532 +x=386, y=173..191 +x=363, y=1637..1646 +x=370, y=1674..1684 +x=434, y=1155..1172 +y=189, x=557..574 +x=364, y=563..585 +y=310, x=584..586 +x=562, y=18..20 +y=769, x=347..362 +x=601, y=853..869 +y=1234, x=320..332 +y=694, x=443..449 +x=417, y=1206..1210 +x=345, y=1592..1605 +x=466, y=284..288 +x=461, y=1441..1467 +x=394, y=723..738 +y=1020, x=429..448 +x=348, y=1405..1414 +x=485, y=596..609 +y=489, x=537..542 +x=608, y=1717..1720 +x=342, y=1636..1646 +x=328, y=735..756 +x=384, y=240..265 +x=541, y=1709..1727 +y=756, x=328..352 +x=505, y=736..745 +x=525, y=556..560 +x=379, y=1717..1730 +x=508, y=1070..1082 +x=621, y=1100..1120 +y=434, x=535..543 +y=954, x=583..591 +x=583, y=181..195 +y=1536, x=541..546 +x=428, y=1707..1725 +x=394, y=1203..1212 +x=460, y=230..235 +x=499, y=9..23 +x=621, y=412..425 +x=501, y=1437..1462 +x=427, y=54..80 +x=582, y=1664..1667 +x=312, y=983..993 +x=408, y=334..337 +x=558, y=235..244 +x=328, y=1485..1498 +x=394, y=777..781 +y=815, x=329..341 +x=528, y=1241..1255 +x=576, y=1639..1642 +y=1286, x=504..523 +x=581, y=1252..1264 +x=334, y=1407..1418 +x=404, y=1267..1269 +y=1645, x=431..442 +x=361, y=1015..1021 +x=448, y=133..146 +x=519, y=246..247 +x=591, y=1219..1243 +x=385, y=1596..1608 +x=557, y=366..368 +y=1401, x=585..587 +x=532, y=810..817 +x=579, y=1352..1371 +x=570, y=1252..1264 +x=608, y=1192..1194 +y=506, x=460..481 +x=588, y=274..287 +x=577, y=1437..1456 +x=566, y=197..210 +y=1272, x=394..412 +y=635, x=410..419 +x=592, y=367..369 +x=406, y=522..525 +x=569, y=1490..1505 +y=265, x=378..384 +x=430, y=1677..1694 +y=1642, x=576..578 +x=389, y=1349..1352 +x=605, y=1488..1493 +y=704, x=464..466 +x=384, y=39..53 +x=623, y=1412..1427 +x=478, y=989..999 +x=344, y=951..967 +x=466, y=342..347 +x=529, y=1637..1658 +x=510, y=1094..1096 +x=378, y=65..85 +x=549, y=723..728 +y=1180, x=535..553 +y=1176, x=543..546 +y=1399, x=338..352 +y=745, x=502..505 +y=1498, x=328..345 +x=463, y=633..653 +x=578, y=680..694 +x=602, y=1533..1536 +y=1621, 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y=131..136 +x=451, y=632..653 +x=361, y=1697..1709 +x=584, y=853..869 +x=359, y=1716..1730 +x=527, y=865..867 +y=993, x=302..312 +y=1414, x=346..348 +y=20, x=560..562 +y=839, x=584..603 +y=349, x=509..512 +y=207, x=552..554 +y=1699, x=329..357 +x=430, y=108..134 +y=1727, x=527..541 +x=510, y=1379..1393 +x=471, y=73..82 +x=528, y=176..193 +y=351, x=570..573 +y=902, x=576..596 +y=728, x=549..568 +x=485, y=1374..1398 +x=576, y=1411..1431 +y=295, x=425..431 +y=687, x=584..587 +y=823, x=565..586 +x=410, y=1315..1324 +x=466, y=57..65 +x=358, y=312..329 +x=557, y=180..189 +y=1500, x=496..513 +y=544, x=301..306 +x=371, y=1493..1495 +x=594, y=483..496 +x=486, y=645..647 +x=502, y=1421..1426 +x=477, y=205..215 +x=577, y=1702..1720 +y=1264, x=570..581 +y=1495, x=367..371 +x=452, y=947..956 +y=637, x=580..586 +x=592, y=1364..1368 +x=560, y=1480..1507 +x=542, y=484..489 +y=523, x=569..578 +x=348, y=1348..1361 +x=312, y=157..181 +x=490, y=1488..1493 +x=549, y=1255..1273 +x=568, y=722..728 +x=619, 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y=206..215 +x=491, y=738..748 +x=418, y=1494..1501 +x=552, y=428..438 +x=506, y=7..20 +y=1368, x=533..552 +x=617, y=1470..1496 +x=445, y=1606..1618 +x=474, y=618..630 +x=378, y=316..324 +x=506, y=429..450 +x=600, y=1351..1371 +y=1525, x=429..456 +x=422, y=1456..1471 +x=541, y=462..473 +x=418, y=1551..1567 +y=692, x=378..381 +x=324, y=887..913 +y=1561, x=603..618 +x=436, y=1244..1255 +y=117, x=371..374 +y=1471, x=588..591 +y=1667, x=389..392 +y=484, x=537..542 +y=567, x=384..397 +x=316, y=69..73 +x=568, y=490..498 +x=493, y=1184..1199 +x=354, y=313..329 +y=832, x=360..373 +y=811, x=466..468 +x=380, y=1404..1409 +x=600, y=744..772 +y=1002, x=470..487 +y=1202, x=595..618 +x=562, y=1069..1090 +x=599, y=1016..1030 +x=622, y=348..350 +x=614, y=1677..1687 +x=370, y=1695..1705 +x=347, y=599..625 +x=605, y=1206..1215 +x=449, y=1207..1210 +x=316, y=951..967 +y=1514, x=444..447 +x=420, y=1603..1630 +x=408, y=552..573 +x=534, y=1422..1446 +x=402, y=553..573 +x=464, y=422..426 +x=576, y=216..224 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x=555..558 +y=1653, x=305..310 +x=633, y=1590..1599 +y=1493, x=602..605 +x=431, y=1315..1324 +x=557, y=1412..1431 +y=794, x=478..498 +y=1025, x=605..609 +y=1518, x=463..479 +x=516, y=51..65 +x=578, y=1638..1642 +y=1525, x=346..370 +x=481, y=854..856 +x=359, y=1066..1084 +y=1557, x=583..593 +x=472, y=418..433 +x=546, y=277..279 +x=305, y=1631..1653 +x=541, y=110..123 +x=573, y=921..929 +x=313, y=1266..1278 +x=449, y=334..354 +x=399, y=306..315 +x=441, y=1677..1694 +x=564, y=1256..1273 +x=557, y=842..850 +x=410, y=399..419 +y=1042, x=391..481 +y=1319, x=382..404 +x=564, y=158..170 +y=710, x=478..502 +y=1458, x=332..382 +x=378, y=1698..1709 +y=689, x=490..513 +x=613, y=1644..1666 +y=229, x=566..586 +y=1658, x=518..529 +x=522, y=1091..1104 +y=1377, x=353..357 +x=625, y=58..71 +x=350, y=911..937 +y=1320, x=515..520 +x=583, y=946..954 +y=653, x=451..463 +x=312, y=1461..1481 +x=544, y=732..734 +x=502, y=699..710 +x=594, y=579..582 +y=1274, x=475..542 +y=612, x=572..580 +x=491, y=975..997 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+x=379, y=184..186 +x=552, y=446..455 +x=609, y=1553..1556 +x=548, y=383..396 +x=369, y=689..701 +y=720, x=601..604 +x=322, y=1593..1604 +x=505, y=1692..1697 +x=346, y=1405..1414 +x=431, y=972..974 +y=1025, x=516..521 +x=591, y=925..934 +x=484, y=867..881 +y=721, x=518..520 +y=1356, x=614..618 +x=456, y=1503..1525 +y=524, x=332..335 +y=99, x=578..605 +x=371, y=370..376 +x=415, y=1707..1725 +x=422, y=1010..1021 +x=344, y=862..875 +x=426, y=593..601 +y=1649, x=382..402 +x=362, y=861..875 +x=610, y=1040..1061 +x=310, y=1632..1653 +y=1458, x=304..309 +x=576, y=895..902 +y=224, x=503..515 +y=515, x=530..533 +y=306, x=373..387 +x=394, y=212..229 +x=373, y=463..466 +y=97, x=386..405 +y=1297, x=462..473 +x=560, y=366..368 +x=425, y=293..295 +y=60, x=441..456 +x=463, y=1619..1640 +x=412, y=941..944 +x=529, y=774..785 +x=505, y=250..266 +x=504, y=1281..1286 diff --git a/src/17/part1 b/src/17/part1 new file mode 100644 index 0000000..ed0d74c --- /dev/null +++ b/src/17/part1 @@ -0,0 +1,177 @@ +--- Day 17: Reservoir Research --- + +You arrive in the year 18. If it weren't for the coat you got in 1018, you would be very cold: the +North Pole base hasn't even been constructed. + +Rather, it hasn't been constructed yet. The Elves are making a little progress, but there's not a +lot of liquid water in this climate, so they're getting very dehydrated. Maybe there's more +underground? + +You scan a two-dimensional vertical slice of the ground nearby and discover that it is mostly +sand with veins of clay. The scan only provides data with a granularity of square meters, but it +should be good enough to determine how much water is trapped there. In the scan, x represents the +distance to the right, and y represents the distance down. There is also a spring of water near the +surface at x=500, y=0. The scan identifies which square meters are clay (your puzzle input). + +For example, suppose your scan shows the following veins of clay: + +x=495, y=2..7 +y=7, x=495..501 +x=501, y=3..7 +x=498, y=2..4 +x=506, y=1..2 +x=498, y=10..13 +x=504, y=10..13 +y=13, x=498..504 + +Rendering clay as #, sand as ., and the water spring as +, and with x increasing to the right and y +increasing downward, this becomes: + + 44444455555555 + 99999900000000 + 45678901234567 + 0 ......+....... + 1 ............#. + 2 .#..#.......#. + 3 .#..#..#...... + 4 .#..#..#...... + 5 .#.....#...... + 6 .#.....#...... + 7 .#######...... + 8 .............. + 9 .............. +10 ....#.....#... +11 ....#.....#... +12 ....#.....#... +13 ....#######... + +The spring of water will produce water forever. Water can move through sand, but is blocked by clay. +Water always moves down when possible, and spreads to the left and right otherwise, filling space +that has clay on both sides and falling out otherwise. + +For example, if five squares of water are created, they will flow downward until they reach the clay +and settle there. Water that has come to rest is shown here as ~, while sand through which water has +passed (but which is now dry again) is shown as |: + +......+....... +......|.....#. +.#..#.|.....#. +.#..#.|#...... +.#..#.|#...... +.#....|#...... +.#~~~~~#...... +.#######...... +.............. +.............. +....#.....#... +....#.....#... +....#.....#... +....#######... + +Two squares of water can't occupy the same location. If another five squares of water are created, +they will settle on the first five, filling the clay reservoir a little more: + +......+....... +......|.....#. +.#..#.|.....#. +.#..#.|#...... +.#..#.|#...... +.#~~~~~#...... +.#~~~~~#...... +.#######...... +.............. +.............. +....#.....#... +....#.....#... +....#.....#... +....#######... + +Water pressure does not apply in this scenario. If another four squares of water are created, they +will stay on the right side of the barrier, and no water will reach the left side: + +......+....... +......|.....#. +.#..#.|.....#. +.#..#~~#...... +.#..#~~#...... +.#~~~~~#...... +.#~~~~~#...... +.#######...... +.............. +.............. +....#.....#... +....#.....#... +....#.....#... +....#######... + +At this point, the top reservoir overflows. While water can reach the tiles above the surface of the +water, it cannot settle there, and so the next five squares of water settle like this: + +......+....... +......|.....#. +.#..#||||...#. +.#..#~~#|..... +.#..#~~#|..... +.#~~~~~#|..... +.#~~~~~#|..... +.#######|..... +........|..... +........|..... +....#...|.#... +....#...|.#... +....#~~~~~#... +....#######... + +Note especially the leftmost |: the new squares of water can reach this tile, but cannot stop there. + Instead, eventually, they all fall to the right and settle in the reservoir below. + +After 10 more squares of water, the bottom reservoir is also full: + +......+....... +......|.....#. +.#..#||||...#. +.#..#~~#|..... +.#..#~~#|..... +.#~~~~~#|..... +.#~~~~~#|..... +.#######|..... +........|..... +........|..... +....#~~~~~#... +....#~~~~~#... +....#~~~~~#... +....#######... + +Finally, while there is nowhere left for the water to settle, it can reach a few more tiles before +overflowing beyond the bottom of the scanned data: + +......+....... (line not counted: above minimum y value) +......|.....#. +.#..#||||...#. +.#..#~~#|..... +.#..#~~#|..... +.#~~~~~#|..... +.#~~~~~#|..... +.#######|..... +........|..... +...|||||||||.. +...|#~~~~~#|.. +...|#~~~~~#|.. +...|#~~~~~#|.. +...|#######|.. +...|.......|.. (line not counted: below maximum y value) +...|.......|.. (line not counted: below maximum y value) +...|.......|.. (line not counted: below maximum y value) + +How many tiles can be reached by the water? To prevent counting forever, ignore tiles with a y +coordinate smaller than the smallest y coordinate in your scan data or larger than the largest one. +Any x coordinate is valid. In this example, the lowest y coordinate given is 1, and the highest is +13, causing the water spring (in row 0) and the water falling off the bottom of the render (in rows +14 through infinity) to be ignored. + +So, in the example above, counting both water at rest (~) and other sand tiles the water can +hypothetically reach (|), the total number of tiles the water can reach is 57. + +How many tiles can the water reach within the range of y values in your scan? + + diff --git a/src/17/part2 b/src/17/part2 new file mode 100644 index 0000000..a0801b8 --- /dev/null +++ b/src/17/part2 @@ -0,0 +1,105 @@ +--- Part Two --- + +Now for the tricky part: notifying all the other robots about the solar flare. The vacuum robot can +do this automatically if it gets into range of a robot. However, you can't see the other robots on +the camera, so you need to be thorough instead: you need to make the vacuum robot visit every part +of the scaffold at least once. + +The vacuum robot normally wanders randomly, but there isn't time for that today. Instead, you can +override its movement logic with new rules. + +Force the vacuum robot to wake up by changing the value in your ASCII program at address 0 from 1 to +2. When you do this, you will be automatically prompted for the new movement rules that the vacuum +robot should use. The ASCII program will use input instructions to receive them, but they need to be +provided as ASCII code; end each line of logic with a single newline, ASCII code 10. + +First, you will be prompted for the main movement routine. The main routine may only call the +movement functions: A, B, or C. Supply the movement functions to use as ASCII text, separating them +with commas (,, ASCII code 44), and ending the list with a newline (ASCII code 10). For example, to +call A twice, then alternate between B and C three times, provide the string A,A,B,C,B,C,B,C and +then a newline. + +Then, you will be prompted for each movement function. Movement functions may use L to turn +left, R to turn right, or a number to move forward that many units. Movement functions may not call +other movement functions. Again, separate the actions with commas and end the list with a newline. +For example, to move forward 10 units, turn left, move forward 8 units, turn right, and finally move +forward 6 units, provide the string 10,L,8,R,6 and then a newline. + +Finally, you will be asked whether you want to see a continuous video feed; provide either y or n +and a newline. Enabling the continuous video feed can help you see what's going on, but it also +requires a significant amount of processing power, and may even cause your Intcode computer to +overheat. + +Due to the limited amount of memory in the vacuum robot, the ASCII definitions of the main routine +and the movement functions may each contain at most 20 characters, not counting the newline. + +For example, consider the following camera feed: + +#######...##### +#.....#...#...# +#.....#...#...# +......#...#...# +......#...###.# +......#.....#.# +^########...#.# +......#.#...#.# +......######### +........#...#.. +....#########.. +....#...#...... +....#...#...... +....#...#...... +....#####...... + +In order for the vacuum robot to visit every part of the scaffold at least once, one path it could +take is: + +R,8,R,8,R,4,R,4,R,8,L,6,L,2,R,4,R,4,R,8,R,8,R,8,L,6,L,2 +Without the memory limit, you could just supply this whole string to function A and have the main +routine call A once. However, you'll need to split it into smaller parts. + +One approach is: + + + - Main routine: A,B,C,B,A,C(ASCII input: 65, 44, 66, 44, 67, 44, 66, 44, 65, 44, 67, 10) + + - Function A:   R,8,R,8(ASCII input: 82, 44, 56, 44, 82, 44, 56, 10) + + - Function B:   R,4,R,4,R,8(ASCII input: 82, 44, 52, 44, 82, 44, 52, 44, 82, 44, 56, 10) + + - Function C:   L,6,L,2(ASCII input: 76, 44, 54, 44, 76, 44, 50, 10) + + +Visually, this would break the desired path into the following parts: + +A, B, C, B, A, C +R,8,R,8, R,4,R,4,R,8, L,6,L,2, R,4,R,4,R,8, R,8,R,8, L,6,L,2 + +CCCCCCA...BBBBB +C.....A...B...B +C.....A...B...B +......A...B...B +......A...CCC.B +......A.....C.B +^AAAAAAAA...C.B +......A.A...C.B +......AAAAAA#AB +........A...C.. +....BBBB#BBBB.. +....B...A...... +....B...A...... +....B...A...... +....BBBBA...... + +Of course, the scaffolding outside your ship is much more complex. + +As the vacuum robot finds other robots and notifies them of the impending solar flare, it also can't +help but leave them squeaky clean, collecting any space dust it finds. Once it finishes the +programmed set of movements, assuming it hasn't drifted off into space, the cleaning robot will +return to its docking station and report the amount of space dust it collected as a large, non-ASCII +value in a single output instruction. + +After visiting every part of the scaffold at least once, how much dust does the vacuum robot report +it has collected? + + diff --git a/src/17/solve.py b/src/17/solve.py new file mode 100644 index 0000000..c6454f3 --- /dev/null +++ b/src/17/solve.py @@ -0,0 +1,183 @@ +import sys +sys.path.append("../common") +import aoc + +def parse_line(l): + s = l.split(", ") + if s[0].startswith("y="): + s = s[::-1] + + res = [[int(x) for x in v.split("=")[1].split("..")] for v in s] + return res + +constraints = [parse_line(l) for l in aoc.data.split("\n")] + +xmin = min(c[0][0] for c in constraints)-1 +xmax = max(c[0][-1] for c in constraints)+1 +ymin = min(c[1][0] for c in constraints) +ymax = max(c[1][-1] for c in constraints) +xdif = xmax - xmin + 1 +ydif = ymax - ymin + 1 + +vmap = [[0 for x in range(xdif)] for y in range(ydif)] + +def set_map(x, y, v): + global vmap + if y < ymin or y > ymax or x < xmin or x > xmax: + return + vmap[y-ymin][x-xmin] = v + +def get_map(x, y): + global vmap + if x > xmax or x < xmin: + return 1 + elif y > ymax: + return 0 + return vmap[y-ymin][x-xmin] + +def drawWall(c): + if len(c[0]) == 1: + for y in range(c[1][0], c[1][1] + 1): + set_map(c[0][0], y, 1) + else: + for x in range(c[0][0], c[0][1] + 1): + set_map(x, c[1][0], 1) + +for c in constraints: + drawWall(c) + +spring = (500, 0) + + +### SETUP END + + +def interpretChar(v): + chars = [".", "#", "|", "~"] + return chars[v] + +def drawMap(): + for y in range(ydif): + aoc.debug("".join([interpretChar(v) for v in vmap[y]])) + +def fwriteMap(): + f = open("output","w+") + for y in range(ydif): + f.write("".join([interpretChar(v) for v in vmap[y]])+"\n") + f.close() + +def isstatic(p): + return get_map(p[0], p[1]) in (1, 3) + +def isfree(p): + return get_map(p[0], p[1]) == 0 + +def move(p): + x = p[0] + y = p[1] + if isfree((x, y+1)): + return (x, y+1) + onblock = isstatic((x, y+1)) + if not onblock: + return (x,y) + npos = [(x + dir, y) for dir in [-1, 1]] + npos = [np for np in npos if isfree(np) and onblock] + if len(npos) > 1: + return npos + elif len(npos) == 1: + return npos[0] + return (x, y) + +def fillfloor(p): + onblock = True + isblock = False + x = p[0] + while onblock and not isblock and x >= xmin: + x -= 1 + isblock = isstatic((x, p[1])) + onblock = isstatic((x, p[1]+1)) + if not isblock: + return None # edge + lx = x+1 + + onblock = True + isblock = False + x = p[0] + while onblock and not isblock and x <= xmax: + x += 1 + isblock = isstatic((x, p[1])) + onblock = isstatic((x, p[1]+1)) + if not isblock: + return None + rx = x-1 + + return [(i, p[1]) for i in range(lx, rx+1)] + +def count_w_flowing(): + water = 0 + for y in range(ymin, ymax+1): + for x in range(xmin, xmax+1): + if get_map(x,y) == 2: + water += 1 + return water + +def count_w_static(): + water = 0 + for y in range(ymin, ymax+1): + for x in range(xmin, xmax+1): + if get_map(x,y) == 3: + water += 1 + return water + +def simulate(): + heads = [spring] + while len(heads) > 0: + cp = heads[-1] + if isstatic((cp[0], cp[1]+1)): + # solid below => expand + res = fillfloor(cp) + if res: + for p in res: + set_map(p[0], p[1], 3) + nhead = None + for x in range(res[0][0], res[-1][0]+1): + np = (x, res[0][1]-1) + if get_map(np[0], np[1]) == 2: + nhead = np + break + if nhead == None: # head got trapped + heads.pop() + else: + heads[-1] = nhead + continue + + res = move(cp) + if type(res[0]) == tuple: + heads.pop() + heads += res + for p in res: + set_map(p[0], p[1], 2) + else: + if res != cp: + if res[1] <= ymax: + set_map(res[0], res[1], 2) + heads[-1] = res + else: + heads.pop() + else: + heads.pop() + + if aoc.debug_lvl: + aoc.debug(heads) + input() + fwriteMap() + +def solve1(args): + simulate() + return count_w_flowing() + count_w_static() + +def solve2(args): + simulate() + return count_w_static() + +aoc.run(solve1, solve2, sols=[39557, 32984]) diff --git a/src/17/test1 b/src/17/test1 new file mode 100644 index 0000000..293b5af --- /dev/null +++ b/src/17/test1 @@ -0,0 +1,8 @@ +x=495, y=2..7 +y=7, x=495..501 +x=501, y=3..7 +x=498, y=2..4 +x=506, y=1..2 +x=498, y=10..13 +x=504, y=10..13 +y=13, x=498..504 diff --git a/src/18/input b/src/18/input new file mode 100644 index 0000000..0f62ca5 --- /dev/null +++ b/src/18/input @@ -0,0 +1,50 @@ +|...||..|....|..#..|.|..#.|......#|.||.||.|..|.... +.#.....#....#|||#|#..||..|.#..|....#...||.#.#|.|.| +.|...|#..|||..|.#....#..|.|....|...||...#.#|...|#. +.........|.|.#||.##.#|.||.|#..||..||...##.##...... +..|.||.#.|.|.|....||#.....|.|.||##.#|##.|....|.#.. +#..#|#..|#...|...#...#....#|##......#..|||#..#.#.. +...#.#.#|...||...|.#...||#.....|##|||.....#.#.#.|. +.#..|.###|#.|.##......||..#...#.#..|#.|.##.#.#.|.. +..||.|.|.....###...#|...###..##|.#.#....#|..##.|.| +.##..#.|.#....##...||.|#..#.####..|#..##.|...#.... +..#...#|..|..|.|.#|#.|.|..|..||......#|.|...##..|. +..||...##|#.....#|..|..|.|.##.|.##.|#|.##|.||...#. +..|.||......#...#......|......|.##...|..|.|.#...#. +||#.#|...#.......#......|..|#.#.|.....#...#.|##..| +.....||.|..|##.#|..#..#|..#|.##....##|.##.||...### +#|..#..#....|...|.|....#.##...#..|.|..#........|#| +....#.|.....##.|..##.....##..#.....|#.|.#.|.#.###. +...###........|.....|..|#..#..|##..###.....#||..|| +#.#...#|..##...|..|||#.....|#|.......#..#.......#| +#.....||||.#..##.|..|#|.#..|.......|##.|#|#....#.| +#..##|...|....#.#.#.||.|..|.....#|...|....#|..##|# +#..|||#..#..|..#|....#.........#...#...#...|.|...# +.........|.|...#...|...#|##..#.....#.|.#..||.#...# +.|#...#|...#.###.|#.||.|..#..#.####..#..||.#.#|..| +.|#....||#|#|.|.|#....##..||.##|....#....#||...|.| +...|....|...|.||#...#...........#..#....##|.#....| +....#|#..#....|##...#..|#..#.|......|#........|#.. +.|..#...|..#.|.#....#....#.|...#..|........|..|... +...##|....||...##...|......|#..|..#..|.........##. +..##.|.#..........##.|....|##|.....|.#.#.|.....|.# +#|.|.......#|..#..#.#.|..|.|.#.||#.#...|.#..|..... +||.#............#...|...#..|#|..||##...#.|#|##|.#| +..|..||####.|....|##.#.|...|||#..|.|.|.........##. +...|....|..||.#..##||.|||#..|..#...#.##...||.|..|| +....|...|##...#|.|.|..#|..|#|..##.|....||..|.|.||. +#..#.......|.#..#..||...#|..#.....#|#..|..|...##.. +#...#..##..|.#...#.....|......###|..|...||.....|.. +#.|..#..|#..|#|..#..||#......|#.......|.#....###.. +#...#||...##|.#.#|####|...|......|.#.#..|#.##...|. +|.#..#....#..#.....|#..|#.|..##.#..|#|##........|| +#.........##..|....|#.........||..||##...||.|..|.| +.#....#.......#..|#.|...|....#.#.#........##.##.|. +.#.#..|.|#..|..#..###...|.#......|.|#.|.##..|.|##. +..||..|.##.##|...|....#||##....#..#.|#|.|#||#..|.. +.......#|#||.....|.||.|##..|.|....|....|.#...#..|. +#||##|.||..|##.|..|#.#.|.|....#|.#|.....|||..#.||. +.||#.|#...||#.#..#..|.|#.....#.#.|#.|...#..#...#.. +#........|..#...|#..###.|.#|...#..#...........#.|# +.|...#|....||.|...#.|..|.||##.|..#|.#|..|.#....#.. +||....###...#...|||.||..#.|.....||.#|..###..|....# diff --git a/src/18/part1 b/src/18/part1 new file mode 100644 index 0000000..02322ac --- /dev/null +++ b/src/18/part1 @@ -0,0 +1,175 @@ +--- Day 18: Settlers of The North Pole --- + +On the outskirts of the North Pole base construction project, many Elves are collecting lumber. + +The lumber collection area is 50 acres by 50 acres; each acre can be either open ground (.), +trees (|), or a lumberyard (#). You take a scan of the area (your puzzle input). + +Strange magic is at work here: each minute, the landscape looks entirely different. In exactly +one minute, an open acre can fill with trees, a wooded acre can be converted to a lumberyard, or a +lumberyard can be cleared to open ground (the lumber having been sent to other projects). + +The change to each acre is based entirely on the contents of that acre as well as the number of +open, wooded, or lumberyard acres adjacent to it at the start of each minute. Here, "adjacent" means +any of the eight acres surrounding that acre. (Acres on the edges of the lumber collection area +might have fewer than eight adjacent acres; the missing acres aren't counted.) + +In particular: + + + - An open acre will become filled with trees if three or more adjacent acres contained trees. +Otherwise, nothing happens. + + - An acre filled with trees will become a lumberyard if three or more adjacent acres were +lumberyards. Otherwise, nothing happens. + + - An acre containing a lumberyard will remain a lumberyard if it was adjacent to at least one other +lumberyard and at least one acre containing trees. Otherwise, it becomes open. + + +These changes happen across all acres simultaneously, each of them using the state of all acres at +the beginning of the minute and changing to their new form by the end of that same minute. Changes +that happen during the minute don't affect each other. + +For example, suppose the lumber collection area is instead only 10 by 10 acres with this initial +configuration: + +Initial state: +.#.#...|#. +.....#|##| +.|..|...#. +..|#.....# +#.#|||#|#| +...#.||... +.|....|... +||...#|.#| +|.||||..|. +...#.|..|. + +After 1 minute: +.......##. +......|### +.|..|...#. +..|#||...# +..##||.|#| +...#||||.. +||...|||.. +|||||.||.| +|||||||||| +....||..|. + +After 2 minutes: +.......#.. +......|#.. +.|.|||.... +..##|||..# +..###|||#| +...#|||||. +|||||||||. +|||||||||| +|||||||||| +.||||||||| + +After 3 minutes: +.......#.. +....|||#.. +.|.||||... +..###|||.# +...##|||#| +.||##||||| +|||||||||| +|||||||||| +|||||||||| +|||||||||| + +After 4 minutes: +.....|.#.. +...||||#.. +.|.#||||.. +..###||||# +...###||#| +|||##||||| +|||||||||| +|||||||||| +|||||||||| +|||||||||| + +After 5 minutes: +....|||#.. +...||||#.. +.|.##||||. +..####|||# +.|.###||#| +|||###|||| +|||||||||| +|||||||||| +|||||||||| +|||||||||| + +After 6 minutes: +...||||#.. +...||||#.. +.|.###|||. +..#.##|||# +|||#.##|#| +|||###|||| +||||#||||| +|||||||||| +|||||||||| +|||||||||| + +After 7 minutes: +...||||#.. +..||#|##.. +.|.####||. +||#..##||# +||##.##|#| +|||####||| +|||###|||| +|||||||||| +|||||||||| +|||||||||| + +After 8 minutes: +..||||##.. +..|#####.. +|||#####|. +||#...##|# +||##..###| +||##.###|| +|||####||| +||||#||||| +|||||||||| +|||||||||| + +After 9 minutes: +..||###... +.||#####.. +||##...##. +||#....### +|##....##| +||##..###| +||######|| +|||###|||| +|||||||||| +|||||||||| + +After 10 minutes: +.||##..... +||###..... +||##...... +|##.....## +|##.....## +|##....##| +||##.####| +||#####||| +||||#||||| +|||||||||| + +After 10 minutes, there are 37 wooded acres and 31 lumberyards. Multiplying the number of wooded +acres by the number of lumberyards gives the total resource value after ten minutes: 37 * 31 = +1147. + +What will the total resource value of the lumber collection area be after 10 minutes? + + diff --git a/src/18/part2 b/src/18/part2 new file mode 100644 index 0000000..c37ea49 --- /dev/null +++ b/src/18/part2 @@ -0,0 +1,184 @@ +--- Part Two --- + +You arrive at the vault only to discover that there is not one vault, but four - each with its own +entrance. + +On your map, find the area in the middle that looks like this: + +... +.@. +... + +Update your map to instead use the correct data: + +@#@ +### +@#@ + +This change will split your map into four separate sections, each with its own entrance: + +####### ####### +#a.#Cd# #a.#Cd# +##...## ##@#@## +##.@.## --> ####### +##...## ##@#@## +#cB#Ab# #cB#Ab# +####### ####### + +Because some of the keys are for doors in other vaults, it would take much too long to collect all +of the keys by yourself. Instead, you deploy four remote-controlled robots. Each starts at one of +the entrances (@). + +Your goal is still to collect all of the keys in the fewest steps, but now, each robot has its own +position and can move independently. You can only remotely control a single robot at a time. +Collecting a key instantly unlocks any corresponding doors, regardless of the vault in which the key +or door is found. + +For example, in the map above, the top-left robot first collects key a, unlocking door A in the +bottom-right vault: + +####### +#@.#Cd# +##.#@## +####### +##@#@## +#cB#.b# +####### + +Then, the bottom-right robot collects key b, unlocking door B in the bottom-left vault: + +####### +#@.#Cd# +##.#@## +####### +##@#.## +#c.#.@# +####### + +Then, the bottom-left robot collects key c: + +####### +#@.#.d# +##.#@## +####### +##.#.## +#@.#.@# +####### + +Finally, the top-right robot collects key d: + +####### +#@.#.@# +##.#.## +####### +##.#.## +#@.#.@# +####### + +In this example, it only took 8 steps to collect all of the keys. + +Sometimes, multiple robots might have keys available, or a robot might have to wait for multiple +keys to be collected: + +############### +#d.ABC.#.....a# +######@#@###### +############### +######@#@###### +#b.....#.....c# +############### + +First, the top-right, bottom-left, and bottom-right robots take turns collecting keys a, b, and c, a +total of 6 + 6 + 6 = 18 steps. Then, the top-left robot can access key d, spending another 6 steps; +collecting all of the keys here takes a minimum of 24 steps. + +Here's a more complex example: + +############# +#DcBa.#.GhKl# +#.###@#@#I### +#e#d#####j#k# +###C#@#@###J# +#fEbA.#.FgHi# +############# + + + - Top-left robot collects key a. + + - Bottom-left robot collects key b. + + - Top-left robot collects key c. + + - Bottom-left robot collects key d. + + - Top-left robot collects key e. + + - Bottom-left robot collects key f. + + - Bottom-right robot collects key g. + + - Top-right robot collects key h. + + - Bottom-right robot collects key i. + + - Top-right robot collects key j. + + - Bottom-right robot collects key k. + + - Top-right robot collects key l. + + +In the above example, the fewest steps to collect all of the keys is 32. + +Here's an example with more choices: + +############# +#g#f.D#..h#l# +#F###e#E###.# +#dCba@#@BcIJ# +############# +#nK.L@#@G...# +#M###N#H###.# +#o#m..#i#jk.# +############# + +One solution with the fewest steps is: + + + - Top-left robot collects key e. + + - Top-right robot collects key h. + + - Bottom-right robot collects key i. + + - Top-left robot collects key a. + + - Top-left robot collects key b. + + - Top-right robot collects key c. + + - Top-left robot collects key d. + + - Top-left robot collects key f. + + - Top-left robot collects key g. + + - Bottom-right robot collects key k. + + - Bottom-right robot collects key j. + + - Top-right robot collects key l. + + - Bottom-left robot collects key n. + + - Bottom-left robot collects key m. + + - Bottom-left robot collects key o. + + +This example requires at least 72 steps to collect all keys. + +After updating your map and using the remote-controlled robots, what is the fewest steps necessary +to collect all of the keys? + + diff --git a/src/18/solve.py b/src/18/solve.py new file mode 100644 index 0000000..f209429 --- /dev/null +++ b/src/18/solve.py @@ -0,0 +1,81 @@ +import sys +sys.path.append("../common") +import aoc +from copy import deepcopy +from collections import deque + +states = (".", "|", "#") + +ivals = dict() +ivals["#"] = 0 +ivals["."] = 0 +ivals["|"] = 0 + +def pasrse_line(l): + return tuple([states.index(c) for c in l]) + +vmap = [pasrse_line(l) for l in aoc.data.split("\n")] +xlen, ylen = len(vmap[0]), len(vmap) + +def get_at(x, y): + if y < 0 or y >= ylen or x < 0 or x >= xlen: + return None + return vmap[y][x] + +def next(x, y): + v = vmap[y][x] + around = list() + [[around.append(get_at(x+i-1, y+j-1)) for j in range(3) if not (i == 1 and j == 1)] for i in range(3)] + if v == 0: + if len([v for v in around if v == 1]) >= 3: + return 1 + elif v == 1: + if len([v for v in around if v == 2]) >= 3: + return 2 + elif v == 2: + if len([v for v in around if v == 1]) < 1 or len([v for v in around if v == 2]) < 1: + return 0 + return v + +def get_vals(): + vals = [0 for x in range(3)] + for y in range(ylen): + for x in range(xlen): + vals[vmap[y][x]] += 1 + return vals + +def draw_map(cmap): + for y in range(ylen): + aoc.debug("".join([str(c) for c in cmap[y]])) + +def iterate(n): + global vmap + for i in range(n): + omap = [deque() for y in range(ylen)] + for y in range(ylen): + for x in range(xlen): + omap[y].append(next(x, y)) + vmap = omap + +def get_res(): + vals = get_vals() + return (vals[1] * vals[2]) + +def solve1(args): + iterate(10) + vals = get_vals() + return vals[1] * vals[2] + +def solve2(args): + iterate(1000) + omap = deepcopy(vmap) + counter = 0 + while True: + iterate(1) + counter += 1 + if vmap == omap: + break + + return get_res() + +aoc.run(solve1, solve2, sols=[574590, 183787]) diff --git a/src/18/test1 b/src/18/test1 new file mode 100644 index 0000000..13d299d --- /dev/null +++ b/src/18/test1 @@ -0,0 +1,10 @@ +.#.#...|#. +.....#|##| +.|..|...#. +..|#.....# +#.#|||#|#| +...#.||... +.|....|... +||...#|.#| +|.||||..|. +...#.|..|. diff --git a/src/19/input b/src/19/input new file mode 100644 index 0000000..0392b90 --- /dev/null +++ b/src/19/input @@ -0,0 +1,37 @@ +#ip 4 +addi 4 16 4 +seti 1 5 1 +seti 1 2 2 +mulr 1 2 3 +eqrr 3 5 3 +addr 3 4 4 +addi 4 1 4 +addr 1 0 0 +addi 2 1 2 +gtrr 2 5 3 +addr 4 3 4 +seti 2 7 4 +addi 1 1 1 +gtrr 1 5 3 +addr 3 4 4 +seti 1 9 4 +mulr 4 4 4 +addi 5 2 5 +mulr 5 5 5 +mulr 4 5 5 +muli 5 11 5 +addi 3 1 3 +mulr 3 4 3 +addi 3 18 3 +addr 5 3 5 +addr 4 0 4 +seti 0 3 4 +setr 4 2 3 +mulr 3 4 3 +addr 4 3 3 +mulr 4 3 3 +muli 3 14 3 +mulr 3 4 3 +addr 5 3 5 +seti 0 4 0 +seti 0 5 4 diff --git a/src/19/part1 b/src/19/part1 new file mode 100644 index 0000000..1a9c60b --- /dev/null +++ b/src/19/part1 @@ -0,0 +1,92 @@ +--- Day 19: Go With The Flow --- + +With the Elves well on their way constructing the North Pole base, you turn your attention back to +understanding the inner workings of programming the device. + +You can't help but notice that the device's opcodes don't contain any flow control like jump +instructions. The device's manual goes on to explain: + +"In programs where flow control is required, the instruction pointer can be bound to a register so +that it can be manipulated directly. This way, setr/seti can function as absolute jumps, addr/addi +can function as relative jumps, and other opcodes can cause truly fascinating effects." + +This mechanism is achieved through a declaration like #ip 1, which would modify register 1 so that +accesses to it let the program indirectly access the instruction pointer itself. To compensate for +this kind of binding, there are now six registers (numbered 0 through 5); the five not bound to the +instruction pointer behave as normal. Otherwise, the same rules apply as the last time you worked +with this device. + +When the instruction pointer is bound to a register, its value is written to that register just +before each instruction is executed, and the value of that register is written back to the +instruction pointer immediately after each instruction finishes execution. Afterward, move to the +next instruction by adding one to the instruction pointer, even if the value in the instruction +pointer was just updated by an instruction. (Because of this, instructions must effectively set the +instruction pointer to the instruction before the one they want executed next.) + +The instruction pointer is 0 during the first instruction, 1 during the second, and so on. If the +instruction pointer ever causes the device to attempt to load an instruction outside the +instructions defined in the program, the program instead immediately halts. The instruction pointer +starts at 0. + +It turns out that this new information is already proving useful: the CPU in the device is not very +powerful, and a background process is occupying most of its time. You dump the background process' +declarations and instructions to a file (your puzzle input), making sure to use the names of the +opcodes rather than the numbers. + +For example, suppose you have the following program: + +#ip 0 +seti 5 0 1 +seti 6 0 2 +addi 0 1 0 +addr 1 2 3 +setr 1 0 0 +seti 8 0 4 +seti 9 0 5 + +When executed, the following instructions are executed. Each line contains the value of the +instruction pointer at the time the instruction started, the values of the six registers before +executing the instructions (in square brackets), the instruction itself, and the values of the six +registers after executing the instruction (also in square brackets). + +ip=0 [0, 0, 0, 0, 0, 0] seti 5 0 1 [0, 5, 0, 0, 0, 0] +ip=1 [1, 5, 0, 0, 0, 0] seti 6 0 2 [1, 5, 6, 0, 0, 0] +ip=2 [2, 5, 6, 0, 0, 0] addi 0 1 0 [3, 5, 6, 0, 0, 0] +ip=4 [4, 5, 6, 0, 0, 0] setr 1 0 0 [5, 5, 6, 0, 0, 0] +ip=6 [6, 5, 6, 0, 0, 0] seti 9 0 5 [6, 5, 6, 0, 0, 9] + +In detail, when running this program, the following events occur: + + + - The first line (#ip 0) indicates that the instruction pointer should be bound to register 0 in +this program. This is not an instruction, and so the value of the instruction pointer does not +change during the processing of this line. + + - The instruction pointer contains 0, and so the first instruction is executed (seti 5 0 1). It +updates register 0 to the current instruction pointer value (0), sets register 1 to 5, sets the +instruction pointer to the value of register 0 (which has no effect, as the instruction did not +modify register 0), and then adds one to the instruction pointer. + + - The instruction pointer contains 1, and so the second instruction, seti 6 0 2, is executed. This +is very similar to the instruction before it: 6 is stored in register 2, and the instruction pointer +is left with the value 2. + + - The instruction pointer is 2, which points at the instruction addi 0 1 0. This is like a +relative jump: the value of the instruction pointer, 2, is loaded into register 0. Then, addi finds +the result of adding the value in register 0 and the value 1, storing the result, 3, back in +register 0. Register 0 is then copied back to the instruction pointer, which will cause it to end up +1 larger than it would have otherwise and skip the next instruction (addr 1 2 3) entirely. Finally, +1 is added to the instruction pointer. + + - The instruction pointer is 4, so the instruction setr 1 0 0 is run. This is like an +absolute jump: it copies the value contained in register 1, 5, into register 0, which causes it to +end up in the instruction pointer. The instruction pointer is then incremented, leaving it at 6. + + - The instruction pointer is 6, so the instruction seti 9 0 5 stores 9 into register 5. The +instruction pointer is incremented, causing it to point outside the program, and so the program +ends. + + +What value is left in register 0 when the background process halts? + + diff --git a/src/19/part2 b/src/19/part2 new file mode 100644 index 0000000..3bfe430 --- /dev/null +++ b/src/19/part2 @@ -0,0 +1,58 @@ +--- Part Two --- + +You aren't sure how large Santa's ship is. You aren't even sure if you'll need to use this thing on +Santa's ship, but it doesn't hurt to be prepared. You figure Santa's ship might fit in a +100x100 square. + +The beam gets wider as it travels away from the emitter; you'll need to be a minimum distance away +to fit a square of that size into the beam fully. (Don't rotate the square; it should be aligned to +the same axes as the drone grid.) + +For example, suppose you have the following tractor beam readings: + +#....................................... +.#...................................... +..##.................................... +...###.................................. +....###................................. +.....####............................... +......#####............................. +......######............................ +.......#######.......................... +........########........................ +.........#########...................... +..........#########..................... +...........##########................... +...........############................. +............############................ +.............#############.............. +..............##############............ +...............###############.......... +................###############......... +................#################....... +.................########OOOOOOOOOO..... +..................#######OOOOOOOOOO#.... +...................######OOOOOOOOOO###.. +....................#####OOOOOOOOOO##### +.....................####OOOOOOOOOO##### +.....................####OOOOOOOOOO##### +......................###OOOOOOOOOO##### +.......................##OOOOOOOOOO##### +........................#OOOOOOOOOO##### +.........................OOOOOOOOOO##### +..........................############## +..........................############## +...........................############# +............................############ +.............................########### + +In this example, the 10x10 square closest to the emitter that fits entirely within the tractor beam +has been marked O. Within it, the point closest to the emitter (the only highlighted O) is at X=25, +Y=20. + +Find the 100x100 square closest to the emitter that fits entirely within the tractor beam; within +that square, find the point closest to the emitter. What value do you get if you take that point's +X coordinate, multiply it by 10000, then add the point's Y coordinate? (In the example above, this +would be 250020.) + + diff --git a/src/19/solve.py b/src/19/solve.py new file mode 100644 index 0000000..c0c41eb --- /dev/null +++ b/src/19/solve.py @@ -0,0 +1,109 @@ +import sys +sys.path.append("../common") +import aoc +from math import sqrt + +def parse_command(l): + s = l.split(" ") + args = [s[0]] + args = args + [int(v) for v in s[1:]] + return args + +data = aoc.data.split("\n") + +inspaddr = int(data[0][4:]) +instructs = [parse_command(l) for l in data[1:] if len(l) != 0] + +register = [0 for x in range(inspaddr+1)] + +opmap = dict() +opmap["addr"] = lambda a, b : register[a] + register[b] +opmap["addi"] = lambda a, b : register[a] + b +opmap["mulr"] = lambda a, b : register[a] * register[b] +opmap["muli"] = lambda a, b : register[a] * b +opmap["banr"] = lambda a, b : register[a] & register[b] +opmap["bani"] = lambda a, b : register[a] & b +opmap["borr"] = lambda a, b : register[a] | register[b] +opmap["bori"] = lambda a, b : register[a] | b +opmap["setr"] = lambda a, b : register[a] +opmap["seti"] = lambda a, b : a +opmap["gtir"] = lambda a, b : 1 * (a > register[b]) +opmap["gtri"] = lambda a, b : 1 * (register[a] > b) +opmap["gtrr"] = lambda a, b : 1 * (register[a] > register[b]) +opmap["eqir"] = lambda a, b : 1 * (a == register[b]) +opmap["eqri"] = lambda a, b : 1 * (register[a] == b) +opmap["eqrr"] = lambda a, b : 1 * (register[a] == register[b]) + + +def solve1(args): + global register, insptr + while register[inspaddr] < len(instructs): + insptr = register[inspaddr] + ins = instructs[insptr] + #aoc.debug(register) + + # execute command + if len(register) <= ins[3]: + register += [0 for x in range(ins[3] - len(register) + 1)] + register[ins[3]] = opmap[ins[0]](ins[1], ins[2]) + + # increment instruction pointer + register[inspaddr] += 1 + + return register[0] + + +alpha = [chr(c + ord('a')) for c in range(26)] + +dismap = dict() +dismap["addr"] = lambda a, b : "%s + %s" % (alpha[a], alpha[b]) +dismap["addi"] = lambda a, b : "%s + %d" % (alpha[a], b) +dismap["mulr"] = lambda a, b : "%s * %s" % (alpha[a], alpha[b]) +dismap["muli"] = lambda a, b : "%s * %d" % (alpha[a], b) +dismap["banr"] = lambda a, b : str(alpha[a] & alpha[b]) +dismap["bani"] = lambda a, b : str(alpha[a] & b) +dismap["borr"] = lambda a, b : str(alpha[a] | alpha[b]) +dismap["bori"] = lambda a, b : str(alpha[a] | b) +dismap["setr"] = lambda a, b : str(alpha[a]) +dismap["seti"] = lambda a, b : str(a) +dismap["gtir"] = lambda a, b : "(%d > %s)" % (a, alpha[b]) +dismap["gtri"] = lambda a, b : "(%s > %d)" % (alpha[a], b) +dismap["gtrr"] = lambda a, b : "(%s > %s)" % (alpha[a], alpha[b]) +dismap["eqir"] = lambda a, b : "(%d == %s)" % (a, alpha[b]) +dismap["eqri"] = lambda a, b : "(%s == %d)" % (alpha[a], b) +dismap["eqrr"] = lambda a, b : "(%s == %s)" % (alpha[a], alpha[b]) + +def disassemble(): + for i in range(len(instructs)): + ins = instructs[i] + aoc.debug(i ,":",alpha[ins[3]],"=", dismap[ins[0]](ins[1], ins[2])) + aoc.debug() + +""" divisor sum algo disassembled +c = 1 +b = 1 +a = 0 +while b <= f: + c = 1 + while c <= f: + if b * c == f: + a += b + c += 1 + b += 1 +""" + +def solve2(args): + f = 10551276 # found by running + + res = 0 + sqrtf = sqrt(f) + for i in range(1, int(sqrtf)): + if f % i == 0: + res += i + f / i + + if int(sqrtf) % f == 0: + res += sqrtf + + return int(res) + +aoc.run(solve1, solve2, sols=[2072, 27578880]) diff --git a/src/19/test1 b/src/19/test1 new file mode 100644 index 0000000..d7d2a21 --- /dev/null +++ b/src/19/test1 @@ -0,0 +1,8 @@ +#ip 0 +seti 5 0 1 +seti 6 0 2 +addi 0 1 0 +addr 1 2 3 +setr 1 0 0 +seti 8 0 4 +seti 9 0 5 diff --git a/src/20/.gitignore b/src/20/.gitignore new file mode 100644 index 0000000..53752db --- /dev/null +++ b/src/20/.gitignore @@ -0,0 +1 @@ +output diff --git a/src/20/input b/src/20/input new file mode 100644 index 0000000..9c6c2aa --- /dev/null +++ b/src/20/input @@ -0,0 +1 @@ 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diff --git a/src/20/part1 b/src/20/part1 new file mode 100644 index 0000000..b341e27 --- /dev/null +++ b/src/20/part1 @@ -0,0 +1,187 @@ +--- Day 20: A Regular Map --- + +While you were learning about instruction pointers, the Elves made considerable progress. When you +look up, you discover that the North Pole base construction project has completely surrounded you. + +The area you are in is made up entirely of rooms and doors. The rooms are arranged in a grid, and +rooms only connect to adjacent rooms when a door is present between them. + +For example, drawing rooms as ., walls as #, doors as | or -, your current position as X, and where +north is up, the area you're in might look like this: + +##### +#.|.# +#-### +#.|X# +##### + +You get the attention of a passing construction Elf and ask for a map. "I don't have time to draw +out a map of this place - it's huge. Instead, I can give you directions to every room in the +facility!" He writes down some directions on a piece of parchment and runs off. In the example +above, the instructions might have been ^WNE$, a regular expression or "regex" (your puzzle input). + +The regex matches routes (like WNE for "west, north, east") that will take you from your current +room through various doors in the facility. In aggregate, the routes will take you through +every door in the facility at least once; mapping out all of these routes will let you build a +proper map and find your way around. + +^ and $ are at the beginning and end of your regex; these just mean that the regex doesn't match +anything outside the routes it describes. (Specifically, ^ matches the start of the route, and $ +matches the end of it.) These characters will not appear elsewhere in the regex. + +The rest of the regex matches various sequences of the characters N (north), S (south), E (east), +and W (west). In the example above, ^WNE$ matches only one route, WNE, which means you can move +west, then north, then east from your current position. Sequences of letters like this always match +that exact route in the same order. + +Sometimes, the route can branch. A branch is given by a list of options separated by pipes (|) and +wrapped in parentheses. So, ^N(E|W)N$ contains a branch: after going north, you must choose to go +either east or west before finishing your route by going north again. By tracing out the possible +routes after branching, you can determine where the doors are and, therefore, where the rooms are in +the facility. + +For example, consider this regex: ^ENWWW(NEEE|SSE(EE|N))$ + +This regex begins with ENWWW, which means that from your current position, all routes must begin by +moving east, north, and then west three times, in that order. After this, there is a branch. Before +you consider the branch, this is what you know about the map so far, with doors you aren't sure +about marked with a ?: + +#?#?#?#?# +?.|.|.|.? +#?#?#?#-# + ?X|.? + #?#?# + +After this point, there is (NEEE|SSE(EE|N)). This gives you exactly two options: NEEE and SSE(EE|N). +By following NEEE, the map now looks like this: + +#?#?#?#?# +?.|.|.|.? +#-#?#?#?# +?.|.|.|.? +#?#?#?#-# + ?X|.? + #?#?# + +Now, only SSE(EE|N) remains. Because it is in the same parenthesized group as NEEE, it starts from +the same room NEEE started in. It states that starting from that point, there exist doors which will +allow you to move south twice, then east; this ends up at another branch. After that, you can either +move east twice or north once. This information fills in the rest of the doors: + +#?#?#?#?# +?.|.|.|.? +#-#?#?#?# +?.|.|.|.? +#-#?#?#-# +?.?.?X|.? +#-#-#?#?# +?.|.|.|.? +#?#?#?#?# + +Once you've followed all possible routes, you know the remaining unknown parts are all walls, +producing a finished map of the facility: + +######### +#.|.|.|.# +#-####### +#.|.|.|.# +#-#####-# +#.#.#X|.# +#-#-##### +#.|.|.|.# +######### + +Sometimes, a list of options can have an empty option, like (NEWS|WNSE|). This means that routes at +this point could effectively skip the options in parentheses and move on immediately. For example, +consider this regex and the corresponding map: + +^ENNWSWW(NEWS|)SSSEEN(WNSE|)EE(SWEN|)NNN$ + +########### +#.|.#.|.#.# +#-###-#-#-# +#.|.|.#.#.# +#-#####-#-# +#.#.#X|.#.# +#-#-#####-# +#.#.|.|.|.# +#-###-###-# +#.|.|.#.|.# +########### + +This regex has one main route which, at three locations, can optionally include additional detours +and be valid: (NEWS|), (WNSE|), and (SWEN|). Regardless of which option is taken, the route +continues from the position it is left at after taking those steps. So, for example, this regex +matches all of the following routes (and more that aren't listed here): + + + - ENNWSWWSSSEENEENNN + + - ENNWSWWNEWSSSSEENEENNN + + - ENNWSWWNEWSSSSEENEESWENNNN + + - ENNWSWWSSSEENWNSEEENNN + + +By following the various routes the regex matches, a full map of all of the doors and rooms in the +facility can be assembled. + +To get a sense for the size of this facility, you'd like to determine which room is +furthest from you: specifically, you would like to find the room for which the shortest path to that +room would require passing through the most doors. + + + - In the first example (^WNE$), this would be the north-east corner 3 doors away. + + - In the second example (^ENWWW(NEEE|SSE(EE|N))$), this would be the south-east corner +10 doors away. + + - In the third example (^ENNWSWW(NEWS|)SSSEEN(WNSE|)EE(SWEN|)NNN$), this would be the north-east +corner 18 doors away. + + +Here are a few more examples: + +Regex: ^ESSWWN(E|NNENN(EESS(WNSE|)SSS|WWWSSSSE(SW|NNNE)))$ +Furthest room requires passing 23 doors + +############# +#.|.|.|.|.|.# +#-#####-###-# +#.#.|.#.#.#.# +#-#-###-#-#-# +#.#.#.|.#.|.# +#-#-#-#####-# +#.#.#.#X|.#.# +#-#-#-###-#-# +#.|.#.|.#.#.# +###-#-###-#-# +#.|.#.|.|.#.# +############# + +Regex: ^WSSEESWWWNW(S|NENNEEEENN(ESSSSW(NWSW|SSEN)|WSWWN(E|WWS(E|SS))))$ +Furthest room requires passing 31 doors + +############### +#.|.|.|.#.|.|.# +#-###-###-#-#-# +#.|.#.|.|.#.#.# +#-#########-#-# +#.#.|.|.|.|.#.# +#-#-#########-# +#.#.#.|X#.|.#.# +###-#-###-#-#-# +#.|.#.#.|.#.|.# +#-###-#####-### +#.|.#.|.|.#.#.# +#-#-#####-#-#-# +#.#.|.|.|.#.|.# +############### + +What is the largest number of doors you would be required to pass through to reach a room? That is, +find the room for which the shortest path from your starting location to that room would require +passing through the most doors; what is the fewest doors you can pass through to reach it? + + diff --git a/src/20/part2 b/src/20/part2 new file mode 100644 index 0000000..bef65a3 --- /dev/null +++ b/src/20/part2 @@ -0,0 +1,207 @@ +--- Part Two --- + +Strangely, the exit isn't open when you reach it. Then, you remember: the ancient Plutonians were +famous for building recursive spaces. + +The marked connections in the maze aren't portals: they physically connect to a larger or smaller +copy of the maze. Specifically, the labeled tiles around the inside edge actually connect to a +smaller copy of the same maze, and the smaller copy's inner labeled tiles connect to yet a +smaller copy, and so on. + +When you enter the maze, you are at the outermost level; when at the outermost level, only the outer +labels AA and ZZ function (as the start and end, respectively); all other outer labeled tiles are +effectively walls. At any other level, AA and ZZ count as walls, but the other outer labeled tiles +bring you one level outward. + +Your goal is to find a path through the maze that brings you back to ZZ at the outermost level of +the maze. + +In the first example above, the shortest path is now the loop around the right side. If the starting +level is 0, then taking the previously-shortest path would pass through BC (to level 1), DE (to +level 2), and FG (back to level 1). Because this is not the outermost level, ZZ is a wall, and the +only option is to go back around to BC, which would only send you even deeper into the recursive +maze. + +In the second example above, there is no path that brings you to ZZ at the outermost level. + +Here is a more interesting example: + + Z L X W C + Z P Q B K + ###########.#.#.#.#######.############### + #...#.......#.#.......#.#.......#.#.#...# + ###.#.#.#.#.#.#.#.###.#.#.#######.#.#.### + #.#...#.#.#...#.#.#...#...#...#.#.......# + #.###.#######.###.###.#.###.###.#.####### + #...#.......#.#...#...#.............#...# + #.#########.#######.#.#######.#######.### + #...#.# F R I Z #.#.#.# + #.###.# D E C H #.#.#.# + #.#...# #...#.# + #.###.# #.###.# + #.#....OA WB..#.#..ZH + #.###.# #.#.#.# +CJ......# #.....# + ####### ####### + #.#....CK #......IC + #.###.# #.###.# + #.....# #...#.# + ###.### #.#.#.# +XF....#.# RF..#.#.# + #####.# ####### + #......CJ NM..#...# + ###.#.# #.###.# +RE....#.# #......RF + ###.### X X L #.#.#.# + #.....# F Q P #.#.#.# + ###.###########.###.#######.#########.### + #.....#...#.....#.......#...#.....#.#...# + #####.#.###.#######.#######.###.###.#.#.# + #.......#.......#.#.#.#.#...#...#...#.#.# + #####.###.#####.#.#.#.#.###.###.#.###.### + #.......#.....#.#...#...............#...# + #############.#.#.###.################### + A O F N + A A D M + +One shortest path through the maze is the following: + + + - Walk from AA to XF (16 steps) + + - Recurse into level 1 through XF (1 step) + + - Walk from XF to CK (10 steps) + + - Recurse into level 2 through CK (1 step) + + - Walk from CK to ZH (14 steps) + + - Recurse into level 3 through ZH (1 step) + + - Walk from ZH to WB (10 steps) + + - Recurse into level 4 through WB (1 step) + + - Walk from WB to IC (10 steps) + + - Recurse into level 5 through IC (1 step) + + - Walk from IC to RF (10 steps) + + - Recurse into level 6 through RF (1 step) + + - Walk from RF to NM (8 steps) + + - Recurse into level 7 through NM (1 step) + + - Walk from NM to LP (12 steps) + + - Recurse into level 8 through LP (1 step) + + - Walk from LP to FD (24 steps) + + - Recurse into level 9 through FD (1 step) + + - Walk from FD to XQ (8 steps) + + - Recurse into level 10 through XQ (1 step) + + - Walk from XQ to WB (4 steps) + + - Return to level 9 through WB (1 step) + + - Walk from WB to ZH (10 steps) + + - Return to level 8 through ZH (1 step) + + - Walk from ZH to CK (14 steps) + + - Return to level 7 through CK (1 step) + + - Walk from CK to XF (10 steps) + + - Return to level 6 through XF (1 step) + + - Walk from XF to OA (14 steps) + + - Return to level 5 through OA (1 step) + + - Walk from OA to CJ (8 steps) + + - Return to level 4 through CJ (1 step) + + - Walk from CJ to RE (8 steps) + + - Return to level 3 through RE (1 step) + + - Walk from RE to IC (4 steps) + + - Recurse into level 4 through IC (1 step) + + - Walk from IC to RF (10 steps) + + - Recurse into level 5 through RF (1 step) + + - Walk from RF to NM (8 steps) + + - Recurse into level 6 through NM (1 step) + + - Walk from NM to LP (12 steps) + + - Recurse into level 7 through LP (1 step) + + - Walk from LP to FD (24 steps) + + - Recurse into level 8 through FD (1 step) + + - Walk from FD to XQ (8 steps) + + - Recurse into level 9 through XQ (1 step) + + - Walk from XQ to WB (4 steps) + + - Return to level 8 through WB (1 step) + + - Walk from WB to ZH (10 steps) + + - Return to level 7 through ZH (1 step) + + - Walk from ZH to CK (14 steps) + + - Return to level 6 through CK (1 step) + + - Walk from CK to XF (10 steps) + + - Return to level 5 through XF (1 step) + + - Walk from XF to OA (14 steps) + + - Return to level 4 through OA (1 step) + + - Walk from OA to CJ (8 steps) + + - Return to level 3 through CJ (1 step) + + - Walk from CJ to RE (8 steps) + + - Return to level 2 through RE (1 step) + + - Walk from RE to XQ (14 steps) + + - Return to level 1 through XQ (1 step) + + - Walk from XQ to FD (8 steps) + + - Return to level 0 through FD (1 step) + + - Walk from FD to ZZ (18 steps) + + +This path takes a total of 396 steps to move from AA at the outermost layer to ZZ at the outermost +layer. + +In your maze, when accounting for recursion, how many steps does it take to get from the open tile +marked AA to the open tile marked ZZ, both at the outermost layer? + + diff --git a/src/20/solve.py b/src/20/solve.py new file mode 100644 index 0000000..63695b7 --- /dev/null +++ b/src/20/solve.py @@ -0,0 +1,151 @@ +import sys +sys.path.append("../common") +import aoc +from copy import deepcopy + +data = list(aoc.data) + +def get_map(p): + return vmap[p[1] + spos[1]][p[0] + spos[0]] + +def set_map(p, c): + global vmap, spos + vmap[p[1] + spos[1]][p[0] + spos[0]] = c + +def new_pos(p, c): + p = p[:] + if c == "N": + p[1] -= 2 + elif c == "S": + p[1] += 2 + elif c == "W": + p[0] -= 2 + elif c == "E": + p[0] += 2 + return p + +def calc_pos(stack): + p = [0,0] + for c in stack: + p = new_pos(p, c) + return p + +xmin = 0 +xmax = 0 +ymin = 0 +ymax = 0 + +def check_size(stack): + global xmin, xmax, ymin, ymax + + p = calc_pos(stack) + if p[0] < xmin: + xmin = p[0] + if p[0] > xmax: + xmax = p[0] + if p[1] < ymin: + ymin = p[1] + if p[1] > ymax: + ymax = p[1] + +def draw_route(stack): + p = calc_pos(stack) + set_map(p, ".") + np = new_pos(p, stack[-1]) + cp = [0,0] + cp[0] = p[0] + int((p[0] - np[0])/2) + cp[1] = p[1] + int((p[1] - np[1])/2) + set_map(cp, "+") + +def iter_regex(func): + stacklens = [0] + stack = [] + for i in range(1, len(data)-1): + c = data[i] + if c == "(": + stacklens.append(0) + elif c == "|": + for i in range(stacklens[-1]): + stack.pop() + stacklens[-1] = 0 + elif c == ")": + for i in range(stacklens[-1]): + stack.pop() + stacklens.pop() + else: + stack.append(c) + stacklens[-1] += 1 + func(stack) + +def fwriteMap(): + f = open("output", "w+") + for y in range(len(vmap)): + f.write("".join([str(v) for v in vmap[y]]) + "\n") + f.close() + +mshape = None +spos = None +vmap = None + +def genMap(): + global vmap, mshape, spos + + iter_regex(check_size) + xdif = xmax - xmin + 2 + ydif = ymax - ymin + 2 + + spos = (-xmin+1, -ymin+1) + mshape = (xdif, ydif) + + vmap = [["#" for x in range(xdif+1)] for y in range(ydif+1)] + vmap[spos[1]][spos[0]] = "X" + + iter_regex(draw_route) + + +adjacent = ((-1, 0), (0, -1), (1, 0), (0, 1)) + +def gen_countmap(sp): + countmap = dict() + next = dict() + next[(sp[0], sp[1])] = 0 + counter = 0 + steps = list() + while len(next) > 0 and len(steps) == 0: # first steps available will be shortest + countmap = {**countmap, **next} # merge dictionaries + counter += 1 + temp = dict() + for n in next: + for dir in adjacent: + nx = n[0]+dir[0] + ny = n[1]+dir[1] + if get_map((nx, ny)) != "#" and (nx, ny) not in countmap and (nx, ny) not in temp: + temp[(nx,ny)] = counter + next = temp + return countmap + +def next_step(cmap, p): + # adjacent squares + npos = [[p[0] + dir[0], p[1] + dir[1]] for dir in adjacent] + + # steps and dist + steps = [[np[0], np[1], cmap[np[0], np[1]]] for np in npos if (np[0], np[1]) in cmap] + + if len(steps) == 0: + return None + else: + return sorted(steps, key = lambda x: x[2])[0] #closest + +genMap() + +def solve1(args): + cmap = gen_countmap((0,0)) + ipos = sorted(cmap, key = lambda x : cmap[x])[-1] + return int(cmap[ipos]/2) + +def solve2(args): + cmap = gen_countmap((0,0)) + count = len([v for v in cmap if int(cmap[v]/2) >= 1000 and get_map(v) == "."]) + return count + +aoc.run(solve1, solve2, sols=[4121, 8636]) diff --git a/src/20/test1 b/src/20/test1 new file mode 100644 index 0000000..25ab237 --- /dev/null +++ b/src/20/test1 @@ -0,0 +1 @@ +^ENWWW(NEEE|SSE(EE|N))$ diff --git a/src/21/input b/src/21/input new file mode 100644 index 0000000..d60c037 --- /dev/null +++ b/src/21/input @@ -0,0 +1,32 @@ +#ip 3 +seti 123 0 1 +bani 1 456 1 +eqri 1 72 1 +addr 1 3 3 +seti 0 0 3 +seti 0 7 1 +bori 1 65536 4 +seti 3798839 3 1 +bani 4 255 5 +addr 1 5 1 +bani 1 16777215 1 +muli 1 65899 1 +bani 1 16777215 1 +gtir 256 4 5 +addr 5 3 3 +addi 3 1 3 +seti 27 6 3 +seti 0 2 5 +addi 5 1 2 +muli 2 256 2 +gtrr 2 4 2 +addr 2 3 3 +addi 3 1 3 +seti 25 3 3 +addi 5 1 5 +seti 17 1 3 +setr 5 6 4 +seti 7 8 3 +eqrr 1 0 5 +addr 5 3 3 +seti 5 6 3 diff --git a/src/21/part1 b/src/21/part1 new file mode 100644 index 0000000..679f3ec --- /dev/null +++ b/src/21/part1 @@ -0,0 +1,41 @@ +--- Day 21: Chronal Conversion --- + +You should have been watching where you were going, because as you wander the new North Pole base, +you trip and fall into a very deep hole! + +Just kidding. You're falling through time again. + +If you keep up your current pace, you should have resolved all of the temporal anomalies by the next +time the device activates. Since you have very little interest in browsing history in 500-year +increments for the rest of your life, you need to find a way to get back to your present time. + +After a little research, you discover two important facts about the behavior of the device: + +First, you discover that the device is hard-wired to always send you back in time in 500-year +increments. Changing this is probably not feasible. + +Second, you discover the activation system (your puzzle input) for the time travel module. +Currently, it appears to run forever without halting. + +If you can cause the activation system to halt at a specific moment, maybe you can make the device +send you so far back in time that you cause an integer underflow in time itself and wrap around back +to your current time! + +The device executes the program as specified in manual section one and manual section two. + +Your goal is to figure out how the program works and cause it to halt. You can only control +register 0; every other register begins at 0 as usual. + +Because time travel is a dangerous activity, the activation system begins with a few instructions +which verify that bitwise AND (via bani) does a numeric operation and not an operation as if the +inputs were interpreted as strings. If the test fails, it enters an infinite loop re-running the +test instead of allowing the program to execute normally. If the test passes, the program +continues, and assumes that all other bitwise operations (banr, bori, and borr) also interpret their +inputs as numbers. (Clearly, the Elves who wrote this system were worried that someone might +introduce a bug while trying to emulate this system with a scripting language.) + +What is the lowest non-negative integer value for register 0 that causes the program to halt after +executing the fewest instructions? (Executing the same instruction multiple times counts as multiple +instructions executed.) + + diff --git a/src/21/part2 b/src/21/part2 new file mode 100644 index 0000000..192cbb3 --- /dev/null +++ b/src/21/part2 @@ -0,0 +1,27 @@ +--- Part Two --- + +There are many areas the springdroid can't reach. You flip through the manual and discover a way to +increase its sensor range. + +Instead of ending your springcode program with WALK, use RUN. Doing this will enable +extended sensor mode, capable of sensing ground up to nine tiles away. This data is available in +five new read-only registers: + + + - Register E indicates whether there is ground five tiles away. + + - Register F indicates whether there is ground six tiles away. + + - Register G indicates whether there is ground seven tiles away. + + - Register H indicates whether there is ground eight tiles away. + + - Register I indicates whether there is ground nine tiles away. + + +All other functions remain the same. + +Successfully survey the rest of the hull by ending your program with RUN. What amount of hull +damage does the springdroid now report? + + diff --git a/src/21/solve.py b/src/21/solve.py new file mode 100644 index 0000000..e2b8fce --- /dev/null +++ b/src/21/solve.py @@ -0,0 +1,112 @@ +import sys +sys.path.append("../common") +import aoc +from math import sqrt + +def parse_command(l): + s = l.split(" ") + args = [s[0]] + args = args + [int(v) for v in s[1:]] + return args + +data = aoc.data.split("\n") + +inspaddr = int(data[0][4:]) +instructs = [parse_command(l) for l in data[1:] if len(l) != 0] + +register = [0 for x in range(inspaddr+1)] + +opmap = dict() +opmap["addr"] = lambda a, b : register[a] + register[b] +opmap["addi"] = lambda a, b : register[a] + b +opmap["mulr"] = lambda a, b : register[a] * register[b] +opmap["muli"] = lambda a, b : register[a] * b +opmap["banr"] = lambda a, b : register[a] & register[b] +opmap["bani"] = lambda a, b : register[a] & b +opmap["borr"] = lambda a, b : register[a] | register[b] +opmap["bori"] = lambda a, b : register[a] | b +opmap["setr"] = lambda a, b : register[a] +opmap["seti"] = lambda a, b : a +opmap["gtir"] = lambda a, b : 1 * (a > register[b]) +opmap["gtri"] = lambda a, b : 1 * (register[a] > b) +opmap["gtrr"] = lambda a, b : 1 * (register[a] > register[b]) +opmap["eqir"] = lambda a, b : 1 * (a == register[b]) +opmap["eqri"] = lambda a, b : 1 * (register[a] == b) +opmap["eqrr"] = lambda a, b : 1 * (register[a] == register[b]) + +def varname(v): + return "R"+str(v) + +dismap = dict() +dismap["addr"] = lambda a, b : "%s + %s" % (varname(a), varname(b)) +dismap["addi"] = lambda a, b : "%s + %d" % (varname(a), b) +dismap["mulr"] = lambda a, b : "%s * %s" % (varname(a), varname(b)) +dismap["muli"] = lambda a, b : "%s * %d" % (varname(a), b) +dismap["banr"] = lambda a, b : "%s & %s" % (varname(a), varname(b)) +dismap["bani"] = lambda a, b : "%s & %d" % (varname(a), b) +dismap["borr"] = lambda a, b : "%s | %s" % (varname(a), varname(b)) +dismap["bori"] = lambda a, b : "%s | %d" % (varname(a), b) +dismap["setr"] = lambda a, b : "%s" % (varname(a)) +dismap["seti"] = lambda a, b : "%d" % (a) +dismap["gtir"] = lambda a, b : "(%d > %s)" % (a, varname(b)) +dismap["gtri"] = lambda a, b : "(%s > %d)" % (varname(a), b) +dismap["gtrr"] = lambda a, b : "(%s > %s)" % (varname(a), varname(b)) +dismap["eqir"] = lambda a, b : "(%d == %s)" % (a, varname(b)) +dismap["eqri"] = lambda a, b : "(%s == %d)" % (varname(a), b) +dismap["eqrr"] = lambda a, b : "(%s == %s)" % (varname(a), varname(b)) + +def disassemble(s, e): + for i in range(s, e): + ins = instructs[i] + aoc.debug(i ,":",varname(ins[3]),"=", dismap[ins[0]](ins[1], ins[2])) + aoc.debug() + +def execute(): + global register, insptr + + while register[inspaddr] < len(instructs): + insptr = register[inspaddr] + ins = instructs[insptr] + + # execute command + if len(register) <= ins[3]: + register += [0 for x in range(ins[3] - len(register) + 1)] + register[ins[3]] = opmap[ins[0]](ins[1], ins[2]) + + # part 1 + #if insptr == 13 and register[4] == 1: + # aoc.debug(register) + # return + + # increment instruction pointer + register[inspaddr] += 1 + +def solve1(args): + r0 = 1797184 # (first opportunity for comparison r1 and r0) + + #disassemble(0, len(instructs)) + #execute() + + return r0 + +def solve2(args): + r1 = 0 + candidates = list() + while True: + r4 = r1 | 65536 # flip 9th bit + r1 = 3798839 + while True: # scan bytes of r4 and add them to r1 and multiply + r5 = r4 & 255 + r1 += r5 + r1 = r1 & 16777215 + r1 *= 65899 # equals 1 00000001 01101011 + r1 = r1 & 16777215 + if r4 < 256: + break + r4 = int(r4/256) # bit shift 8 to the right + if r1 not in candidates: + candidates.append(r1) + elif r1 == candidates[-1]: + return candidates[-1] + +aoc.run(solve1, solve2, sols=[1797184, 11011493]) diff --git a/src/21/test1 b/src/21/test1 new file mode 100644 index 0000000..d7d2a21 --- /dev/null +++ b/src/21/test1 @@ -0,0 +1,8 @@ +#ip 0 +seti 5 0 1 +seti 6 0 2 +addi 0 1 0 +addr 1 2 3 +setr 1 0 0 +seti 8 0 4 +seti 9 0 5 diff --git a/src/22/input b/src/22/input new file mode 100644 index 0000000..9b643c6 --- /dev/null +++ b/src/22/input @@ -0,0 +1,2 @@ +depth: 4848 +target: 15,700 diff --git a/src/22/part1 b/src/22/part1 new file mode 100644 index 0000000..bb29305 --- /dev/null +++ b/src/22/part1 @@ -0,0 +1,106 @@ +--- Day 22: Mode Maze --- + +This is it, your final stop: the year -483. It's snowing and dark outside; the only light you can +see is coming from a small cottage in the distance. You make your way there and knock on the door. + +A portly man with a large, white beard answers the door and invites you inside. For someone living +near the North Pole in -483, he must not get many visitors, but he doesn't act surprised to see you. +Instead, he offers you some milk and cookies. + +After talking for a while, he asks a favor of you. His friend hasn't come back in a few hours, and +he's not sure where he is. Scanning the region briefly, you discover one life signal in a cave +system nearby; his friend must have taken shelter there. The man asks if you can go there to +retrieve his friend. + +The cave is divided into square regions which are either dominantly rocky, narrow, or +wet (called its type). Each region occupies exactly one coordinate in X,Y format where X and Y are +integers and zero or greater. (Adjacent regions can be the same type.) + +The scan (your puzzle input) is not very detailed: it only reveals the depth of the cave system and +the coordinates of the target. However, it does not reveal the type of each region. The mouth of the +cave is at 0,0. + +The man explains that due to the unusual geology in the area, there is a method to determine any +region's type based on its erosion level. The erosion level of a region can be determined from its +geologic index. The geologic index can be determined using the first rule that applies from the list +below: + + + - The region at 0,0 (the mouth of the cave) has a geologic index of 0. + + - The region at the coordinates of the target has a geologic index of 0. + + - If the region's Y coordinate is 0, the geologic index is its X coordinate times 16807. + + - If the region's X coordinate is 0, the geologic index is its Y coordinate times 48271. + + - Otherwise, the region's geologic index is the result of multiplying the erosion +levels of the regions at X-1,Y and X,Y-1. + + +A region's erosion level is its geologic index plus the cave system's depth, all modulo 20183. Then: + + + - If the erosion level modulo 3 is 0, the region's type is rocky. + + - If the erosion level modulo 3 is 1, the region's type is wet. + + - If the erosion level modulo 3 is 2, the region's type is narrow. + + +For example, suppose the cave system's depth is 510 and the target's coordinates are 10,10. Using % +to represent the modulo operator, the cavern would look as follows: + + + - At 0,0, the geologic index is 0. The erosion level is (0 + 510) % 20183 = 510. The type is 510 % +3 = 0, rocky. + + - At 1,0, because the Y coordinate is 0, the geologic index is 1 * 16807 = 16807. The erosion level +is (16807 + 510) % 20183 = 17317. The type is 17317 % 3 = 1, wet. + + - At 0,1, because the X coordinate is 0, the geologic index is 1 * 48271 = 48271. The erosion +level is (48271 + 510) % 20183 = 8415. The type is 8415 % 3 = 0, rocky. + + - At 1,1, neither coordinate is 0 and it is not the coordinate of the target, so the geologic index +is the erosion level of 0,1 (8415) times the erosion level of 1,0 (17317), 8415 * 17317 = 145722555. +The erosion level is (145722555 + 510) % 20183 = 1805. The type is 1805 % 3 = 2, +narrow. + + - At 10,10, because they are the target's coordinates, the geologic index is 0. The erosion level +is (0 + 510) % 20183 = 510. The type is 510 % 3 = 0, rocky. + + +Drawing this same cave system with rocky as ., wet as =, narrow as |, the mouth as M, the target as +T, with 0,0 in the top-left corner, X increasing to the right, and Y increasing downward, the +top-left corner of the map looks like this: + +M=.|=.|.|=.|=|=. +.|=|=|||..|.=... +.==|....||=..|== +=.|....|.==.|==. +=|..==...=.|==.. +=||.=.=||=|=..|= +|.=.===|||..=..| +|..==||=.|==|=== +.=..===..=|.|||. +.======|||=|=.|= +.===|=|===T===|| +=|||...|==..|=.| +=.=|=.=..=.||==| +||=|=...|==.=|== +|=.=||===.|||=== +||.|==.|.|.||=|| + +Before you go in, you should determine the risk level of the area. For the rectangle that has a +top-left corner of region 0,0 and a bottom-right corner of the region containing the target, add up +the risk level of each individual region: 0 for rocky regions, 1 for wet regions, and 2 for narrow +regions. + +In the cave system above, because the mouth is at 0,0 and the target is at 10,10, adding up the risk +level of all regions with an X coordinate from 0 to 10 and a Y coordinate from 0 to 10, this total +is 114. + +What is the total risk level for the smallest rectangle that includes 0,0 and the target's +coordinates? + + diff --git a/src/22/part2 b/src/22/part2 new file mode 100644 index 0000000..fbcfdd7 --- /dev/null +++ b/src/22/part2 @@ -0,0 +1,22 @@ +--- Part Two --- + +After a while, you realize your shuffling skill won't improve much more with merely a single deck of +cards. You ask every 3D printer on the ship to make you some more cards while you check on the ship +repairs. While reviewing the work the droids have finished so far, you think you see Halley's Comet +fly past! + +When you get back, you discover that the 3D printers have combined their power to create for you a +single, giant, brand new, factory order deck of 119315717514047 space cards. + +Finally, a deck of cards worthy of shuffling! + +You decide to apply your complete shuffle process (your puzzle input) to the deck +101741582076661 times in a row. + +You'll need to be careful, though - one wrong move with this many cards and you might +overflow your entire ship! + +After shuffling your new, giant, factory order deck that many times, what number is on the card that +ends up in position 2020? + + diff --git a/src/22/solve.py b/src/22/solve.py new file mode 100644 index 0000000..375ae23 --- /dev/null +++ b/src/22/solve.py @@ -0,0 +1,93 @@ +import sys +sys.path.append("../common") +import aoc +import networkx + +adjacent = [[-1, 0], [0, -1], [1, 0], [0, 1]] + +# create symbol definitions +symbols = [".", "=", "|"] +rocky, wet, narrow = 0, 1, 2 +torch, gear, neither = 0, 1, 2 + +tooloptions = dict() +tooloptions[rocky] = (torch, gear) +tooloptions[wet] = (gear, neither) +tooloptions[narrow] = (torch, neither) + +# parse input file +def parse_input(si): + s = si.split("\n") + depth = int(s[0].split(": ")[1]) + target = [int(v) for v in s[1].split(": ")[1].split(",")] + return depth, target + +# get erosion level from geological index +def get_erosion_level(n): + return (n + depth) % 20183 + +# generate map of erosion types +def gen_map(): + grid = [[0 for x in range(mrange[0])] for y in range(mrange[1])] + + # generate values on x side + grid[0] = [get_erosion_level(x * 16807) for x in range(mrange[0])] + + # generate values on y side + for y in range(mrange[1]): + grid[y][0] = get_erosion_level(y * 48271) + + # fill in other positions + for y in range(1, mrange[1]): + for x in range(1, mrange[0]): + grid[y][x] = get_erosion_level(grid[y-1][x] * grid[y][x-1]) + + # mod 3 for env type + grid = [[grid[y][x] % 3 for x in range(mrange[0])] for y in range(mrange[1])] + + # start position is rocky + grid[target[1]][target[0]] = 0 + + return grid + +# define constants from input file +depth, target = parse_input(aoc.data) +mrange = (target[0] + 100, target[1] + 100) # 100 block padding for potential hook-paths + +vmap = gen_map() + +def risk_level(width, height): + risk = 0 + for y in range(height + 1): + for x in range(width + 1): + risk += vmap[y][x] + return risk + +def adj(p): + return [[p[0] + di[0], p[1] + di[1]] for di in adjacent] + +def dijkstra(): + graph = networkx.Graph() + for y in range(mrange[1]): + for x in range(mrange[0]): + tools = tooloptions[vmap[y][x]] + # always takes 7 minutes to switch, 2 z-options for each tool + graph.add_edge((x, y, tools[0]), (x, y, tools[1]), weight = 7) + for (nx, ny) in adj((x, y)): + if 0 <= nx < mrange[0] and 0 <= ny < mrange[1]: + ntools = tooloptions[vmap[ny][nx]] + # if tool is usable in both environments + for tool in [t for t in tools if t in ntools]: + # then it only takes 1 minute + graph.add_edge((x, y, tool), (nx, ny, tool), weight = 1) + + return networkx.dijkstra_path_length(graph, + (0, 0, torch), (target[0], target[1], torch)) + +def solve1(args): + return risk_level(target[0], target[1]) + +def solve2(args): + return dijkstra() + +aoc.run(solve1, solve2, sols=[11359, 976]) diff --git a/src/23/input b/src/23/input new file mode 100644 index 0000000..907fba5 --- /dev/null +++ b/src/23/input @@ -0,0 +1,1000 @@ +pos=<-16209987,47027970,47490542>, r=98801023 +pos=<73745460,41591621,42240956>, r=76560913 +pos=<4551319,6410013,77079444>, r=82537741 +pos=<-55798978,49930734,33808479>, r=79339065 +pos=<56057232,43991106,52515158>, r=60369161 +pos=<27685939,25858127,69445550>, r=67061283 +pos=<22783600,-683534,51135109>, r=70390130 +pos=<40167657,26125450,48671980>, r=58502052 +pos=<54015509,18650011,53936040>, r=85089447 +pos=<84654974,41945044,56166134>, r=94663913 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+pos=<24124048,40230442,50737700>, r=70045992 +pos=<-15331082,23393472,69420246>, r=77777481 +pos=<60370615,61835353,41939391>, r=63847038 +pos=<27912835,58216095,95876603>, r=74726266 +pos=<13135381,29673914,-7200729>, r=77310078 +pos=<-4293975,-7924701,63718721>, r=92357382 +pos=<-7845395,8196541,81649819>, r=97718361 +pos=<57821160,39886034,47821779>, r=61544955 +pos=<35050365,102312488,47343243>, r=77426827 +pos=<12449896,27209138,16418756>, r=55470037 +pos=<34494730,73748079,90752501>, r=91716038 +pos=<57118108,63486407,40599841>, r=63585305 +pos=<31614222,37827352,66347891>, r=55922716 +pos=<71921216,57086361,62053860>, r=83782202 +pos=<40604336,61796038,95345438>, r=90466524 +pos=<42823781,91753158,31528226>, r=86629121 +pos=<13084484,44428600,39734739>, r=58630736 +pos=<46026357,72434951,50677960>, r=61860344 +pos=<44047082,25365962,65870631>, r=80339615 +pos=<33858606,24554085,63480297>, r=68572838 +pos=<13990494,12966574,37651100>, r=50020522 +pos=<85453922,48022937,62761507>, r=95980379 +pos=<-14758008,50462005,34355789>, r=56928077 +pos=<-68410383,64305072,50641199>, r=96709132 +pos=<30323743,56371517,79602907>, r=59018900 +pos=<-17874241,42022179,93323172>, r=85595054 +pos=<-65617654,54203269,55220274>, r=88393709 +pos=<24714328,14807957,19217556>, r=77336830 +pos=<13766705,14407030,95466028>, r=90613558 +pos=<15391997,96619121,55137901>, r=59869773 +pos=<22510663,75019333,95466166>, r=85716891 +pos=<69099146,47076193,31474558>, r=77195928 +pos=<44744760,6567211,31332589>, r=93492631 +pos=<9200050,27713300,-12919955>, r=83285900 +pos=<66111729,48955586,47702449>, r=60646506 +pos=<-10141224,77420819,98708097>, r=99622712 diff --git a/src/23/part1 b/src/23/part1 new file mode 100644 index 0000000..675bbfa --- /dev/null +++ b/src/23/part1 @@ -0,0 +1,64 @@ +--- Day 23: Experimental Emergency Teleportation --- + +Using your torch to search the darkness of the rocky cavern, you finally locate the man's friend: a +small reindeer. + +You're not sure how it got so far in this cave. It looks sick - too sick to walk - and too heavy +for you to carry all the way back. Sleighs won't be invented for another 1500 years, of course. + +The only option is experimental emergency teleportation. + +You hit the "experimental emergency teleportation" button on the device and push I accept the +risk on no fewer than 18 different warning messages. Immediately, the device deploys hundreds of +tiny nanobots which fly around the cavern, apparently assembling themselves into a very specific +formation. The device lists the X,Y,Z position (pos) for each nanobot as well as its signal +radius (r) on its tiny screen (your puzzle input). + +Each nanobot can transmit signals to any integer coordinate which is a distance away from it +less than or equal to its signal radius (as measured by Manhattan distance). Coordinates a distance +away of less than or equal to a nanobot's signal radius are said to be in range of that nanobot. + +Before you start the teleportation process, you should determine which nanobot is the +strongest (that is, which has the largest signal radius) and then, for that nanobot, the +total number of nanobots that are in range of it, including itself. + +For example, given the following nanobots: + +pos=<0,0,0>, r=4 +pos=<1,0,0>, r=1 +pos=<4,0,0>, r=3 +pos=<0,2,0>, r=1 +pos=<0,5,0>, r=3 +pos=<0,0,3>, r=1 +pos=<1,1,1>, r=1 +pos=<1,1,2>, r=1 +pos=<1,3,1>, r=1 + +The strongest nanobot is the first one (position 0,0,0) because its signal radius, 4 is the largest. +Using that nanobot's location and signal radius, the following nanobots are in or out of range: + + + - The nanobot at 0,0,0 is distance 0 away, and so it is in range. + + - The nanobot at 1,0,0 is distance 1 away, and so it is in range. + + - The nanobot at 4,0,0 is distance 4 away, and so it is in range. + + - The nanobot at 0,2,0 is distance 2 away, and so it is in range. + + - The nanobot at 0,5,0 is distance 5 away, and so it is not in range. + + - The nanobot at 0,0,3 is distance 3 away, and so it is in range. + + - The nanobot at 1,1,1 is distance 3 away, and so it is in range. + + - The nanobot at 1,1,2 is distance 4 away, and so it is in range. + + - The nanobot at 1,3,1 is distance 5 away, and so it is not in range. + + +In this example, in total, 7 nanobots are in range of the nanobot with the largest signal radius. + +Find the nanobot with the largest signal radius. How many nanobots are in range of its signals? + + diff --git a/src/23/part2 b/src/23/part2 new file mode 100644 index 0000000..f0f8db0 --- /dev/null +++ b/src/23/part2 @@ -0,0 +1,22 @@ +--- Part Two --- + +Packets sent to address 255 are handled by a device called a NAT (Not Always Transmitting). The NAT +is responsible for managing power consumption of the network by blocking certain packets and +watching for idle periods in the computers. + +If a packet would be sent to address 255, the NAT receives it instead. The NAT remembers only the +last packet it receives; that is, the data in each packet it receives overwrites the NAT's packet +memory with the new packet's X and Y values. + +The NAT also monitors all computers on the network. If all computers have empty incoming packet +queues and are continuously trying to receive packets without sending packets, the network is +considered idle. + +Once the network is idle, the NAT sends only the last packet it received to address 0; this will +cause the computers on the network to resume activity. In this way, the NAT can throttle power +consumption of the network when the ship needs power in other areas. + +Monitor packets released to the computer at address 0 by the NAT. What is the first Y value +delivered by the NAT to the computer at address 0 twice in a row? + + diff --git a/src/23/solve.py b/src/23/solve.py new file mode 100644 index 0000000..f78dd94 --- /dev/null +++ b/src/23/solve.py @@ -0,0 +1,108 @@ +import sys +sys.path.append("../common") +import aoc +import math + +# nanobots consist of tuples containing: (position, radius) +nanobots = list() + +# parse a line of input file +def parse_entry(l): + s = l.split(">, ") + pos = [int(v) for v in s[0].split("=<")[1].split(",")] + radius = int(s[1].split("=")[1]) + nanobots.append((pos, radius)) + +data = [parse_entry(l) for l in aoc.data.split("\n") if len(l) != 0] + +# manhattan distance +def dist(p1, p2): + xd = abs(p1[0] - p2[0]) + yd = abs(p1[1] - p2[1]) + zd = abs(p1[2] - p2[2]) + return xd + yd + zd + +# two nanobots range overlap +def is_overlap(nb1, nb2): + return nb1[1] + nb2[1] >= dist(nb1[0], nb2[0]) + +# nanobots range completely inside anothers range +def is_inside(nb1, nb2): + return dist(nb1[0], nb2[0]) <= nb2[1] - nb1[1] + +# check if range of nanobot is inside grid +def tile_in_range(tile, nb, gridsize): + hgridsize = math.floor(gridsize / 2) # case gridsize = 1 => squares should have 0 width + nbp = nb[0] + ds = [abs(nbp[i] - tile[i]) for i in range(3)] + md = max(ds) + if md == 0: + return True + ds = [d * hgridsize / md for d in ds] # get distance along squares sides + return dist(nbp, tile) - sum(ds) <= nb[1] + +def solve1(args): + maxr = max(nanobots, key = lambda x : x[1]) + inrange = 0 + for nb in nanobots: + if dist(nb[0], maxr[0]) <= maxr[1]: + inrange += 1 + return inrange + +def solve2(args): + global nanobots + + # use smaller getting grid like binary search to find position in range of most nanobots + minpx = min(nanobots, key = lambda x : x[0][0])[0][0] + minpy = min(nanobots, key = lambda x : x[0][1])[0][1] + minpz = min(nanobots, key = lambda x : x[0][2])[0][2] + minp = (minpx, minpy, minpz) + + maxpx = max(nanobots, key = lambda x : x[0][0])[0][0] + maxpy = max(nanobots, key = lambda x : x[0][1])[0][1] + maxpz = max(nanobots, key = lambda x : x[0][2])[0][2] + maxp = (maxpx, maxpy, maxpz) + + gridsize = max([maxp[i] - minp[i] for i in range(3)]) # largest dif dim to ensure all nanbots are in the grid + + bestpos = None + while gridsize >= 1: + maxintile = 0 + + # traverse grid in steps of gridsize + xsteps = math.ceil((maxp[0] - minp[0]) / gridsize) + 1 + ysteps = math.ceil((maxp[1] - minp[1]) / gridsize) + 1 + zsteps = math.ceil((maxp[2] - minp[2]) / gridsize) + 1 + for nx in range(xsteps): + for ny in range(ysteps): + for nz in range(zsteps): + x = minp[0] + nx * gridsize + y = minp[1] + ny * gridsize + z = minp[2] + nz * gridsize + intile = 0 + for nb in nanobots: + # check if nanobots range intersects with tile + if tile_in_range((x, y, z), nb, gridsize): + intile += 1 + if maxintile < intile: + maxintile = intile + bestpos = (x, y, z) + elif maxintile == intile: + dist = sum([abs(v) for v in (x, y, z)]) + bestdist = sum([abs(v) for v in bestpos]) + # if two gridtiles have the same count, + # choose the one closest to the origin + if maxintile == 0 or dist < bestdist: + bestpos = (x, y, z) + + if gridsize == 1: + break + + gridsize = math.floor(gridsize / 2) + + minp = [v - gridsize for v in bestpos] + maxp = [v + gridsize for v in bestpos] + + return sum(bestpos) + +aoc.run(solve1, solve2, sols=[573, 107279292]) diff --git a/src/24/input b/src/24/input new file mode 100644 index 0000000..969be90 --- /dev/null +++ b/src/24/input @@ -0,0 +1,23 @@ +Immune System: +2728 units each with 5703 hit points (weak to fire) with an attack that does 18 cold damage at initiative 12 +916 units each with 5535 hit points (weak to bludgeoning) with an attack that does 55 slashing damage at initiative 20 +2255 units each with 7442 hit points (weak to radiation) with an attack that does 31 bludgeoning damage at initiative 8 +112 units each with 4951 hit points (immune to cold) with an attack that does 360 fire damage at initiative 9 +7376 units each with 6574 hit points (immune to cold, slashing, fire) with an attack that does 7 bludgeoning damage at initiative 4 +77 units each with 5884 hit points (weak to slashing) with an attack that does 738 radiation damage at initiative 6 +6601 units each with 8652 hit points (weak to fire, cold) with an attack that does 11 fire damage at initiative 19 +3259 units each with 10067 hit points (weak to bludgeoning) with an attack that does 29 cold damage at initiative 13 +2033 units each with 4054 hit points (immune to cold; weak to fire, slashing) with an attack that does 18 slashing damage at initiative 3 +3109 units each with 3593 hit points with an attack that does 9 bludgeoning damage at initiative 11 + +Infection: +1466 units each with 57281 hit points (weak to slashing, fire) with an attack that does 58 slashing damage at initiative 7 +247 units each with 13627 hit points with an attack that does 108 fire damage at initiative 15 +1298 units each with 41570 hit points (immune to fire, bludgeoning) with an attack that does 63 fire damage at initiative 14 +2161 units each with 40187 hit points (weak to fire) with an attack that does 33 slashing damage at initiative 5 +57 units each with 55432 hit points (weak to cold) with an attack that does 1687 radiation damage at initiative 17 +3537 units each with 24220 hit points (weak to cold) with an attack that does 11 fire damage at initiative 10 +339 units each with 44733 hit points (immune to cold, bludgeoning; weak to radiation, fire) with an attack that does 258 cold damage at initiative 18 +1140 units each with 17741 hit points (weak to bludgeoning; immune to fire, slashing) with an attack that does 25 fire damage at initiative 2 +112 units each with 44488 hit points (weak to bludgeoning, radiation; immune to cold) with an attack that does 749 radiation damage at initiative 16 +2918 units each with 36170 hit points (immune to bludgeoning; weak to slashing, cold) with an attack that does 24 radiation damage at initiative 1 diff --git a/src/24/part1 b/src/24/part1 new file mode 100644 index 0000000..80675fb --- /dev/null +++ b/src/24/part1 @@ -0,0 +1,199 @@ +--- Day 24: Immune System Simulator 20XX --- + +After a weird buzzing noise, you appear back at the man's cottage. He seems relieved to see his +friend, but quickly notices that the little reindeer caught some kind of cold while out exploring. + +The portly man explains that this reindeer's immune system isn't similar to regular reindeer immune +systems: + +The immune system and the infection each have an army made up of several groups; each +group consists of one or more identical units. The armies repeatedly fight until only one army has +units remaining. + +Units within a group all have the same hit points (amount of damage a unit can take before it is +destroyed), attack damage (the amount of damage each unit deals), an attack type, an +initiative (higher initiative units attack first and win ties), and sometimes +weaknesses or immunities. Here is an example group: + +18 units each with 729 hit points (weak to fire; immune to cold, slashing) + with an attack that does 8 radiation damage at initiative 10 + +Each group also has an effective power: the number of units in that group multiplied by their attack +damage. The above group has an effective power of 18 * 8 = 144. Groups never have zero or negative +units; instead, the group is removed from combat. + +Each fight consists of two phases: target selection and attacking. + +During the target selection phase, each group attempts to choose one target. In decreasing order of +effective power, groups choose their targets; in a tie, the group with the higher initiative chooses +first. The attacking group chooses to target the group in the enemy army to which it would deal the +most damage (after accounting for weaknesses and immunities, but not accounting for whether the +defending group has enough units to actually receive all of that damage). + +If an attacking group is considering two defending groups to which it would deal equal damage, it +chooses to target the defending group with the largest effective power; if there is still a tie, it +chooses the defending group with the highest initiative. If it cannot deal any defending groups +damage, it does not choose a target. Defending groups can only be chosen as a target by one +attacking group. + +At the end of the target selection phase, each group has selected zero or one groups to attack, and +each group is being attacked by zero or one groups. + +During the attacking phase, each group deals damage to the target it selected, if any. Groups attack +in decreasing order of initiative, regardless of whether they are part of the infection or the +immune system. (If a group contains no units, it cannot attack.) + +The damage an attacking group deals to a defending group depends on the attacking group's attack +type and the defending group's immunities and weaknesses. By default, an attacking group would deal +damage equal to its effective power to the defending group. However, if the defending group is +immune to the attacking group's attack type, the defending group instead takes no damage; if the +defending group is weak to the attacking group's attack type, the defending group instead takes +double damage. + +The defending group only loses whole units from damage; damage is always dealt in such a way that it +kills the most units possible, and any remaining damage to a unit that does not immediately kill it +is ignored. For example, if a defending group contains 10 units with 10 hit points each and receives +75 damage, it loses exactly 7 units and is left with 3 units at full health. + +After the fight is over, if both armies still contain units, a new fight begins; combat only ends +once one army has lost all of its units. + +For example, consider the following armies: + +Immune System: +17 units each with 5390 hit points (weak to radiation, bludgeoning) with + an attack that does 4507 fire damage at initiative 2 +989 units each with 1274 hit points (immune to fire; weak to bludgeoning, + slashing) with an attack that does 25 slashing damage at initiative 3 + +Infection: +801 units each with 4706 hit points (weak to radiation) with an attack + that does 116 bludgeoning damage at initiative 1 +4485 units each with 2961 hit points (immune to radiation; weak to fire, + cold) with an attack that does 12 slashing damage at initiative 4 + +If these armies were to enter combat, the following fights, including details during the target +selection and attacking phases, would take place: + +Immune System: +Group 1 contains 17 units +Group 2 contains 989 units +Infection: +Group 1 contains 801 units +Group 2 contains 4485 units + +Infection group 1 would deal defending group 1 185832 damage +Infection group 1 would deal defending group 2 185832 damage +Infection group 2 would deal defending group 2 107640 damage +Immune System group 1 would deal defending group 1 76619 damage +Immune System group 1 would deal defending group 2 153238 damage +Immune System group 2 would deal defending group 1 24725 damage + +Infection group 2 attacks defending group 2, killing 84 units +Immune System group 2 attacks defending group 1, killing 4 units +Immune System group 1 attacks defending group 2, killing 51 units +Infection group 1 attacks defending group 1, killing 17 units + +Immune System: +Group 2 contains 905 units +Infection: +Group 1 contains 797 units +Group 2 contains 4434 units + +Infection group 1 would deal defending group 2 184904 damage +Immune System group 2 would deal defending group 1 22625 damage +Immune System group 2 would deal defending group 2 22625 damage + +Immune System group 2 attacks defending group 1, killing 4 units +Infection group 1 attacks defending group 2, killing 144 units + +Immune System: +Group 2 contains 761 units +Infection: +Group 1 contains 793 units +Group 2 contains 4434 units + +Infection group 1 would deal defending group 2 183976 damage +Immune System group 2 would deal defending group 1 19025 damage +Immune System group 2 would deal defending group 2 19025 damage + +Immune System group 2 attacks defending group 1, killing 4 units +Infection group 1 attacks defending group 2, killing 143 units + +Immune System: +Group 2 contains 618 units +Infection: +Group 1 contains 789 units +Group 2 contains 4434 units + +Infection group 1 would deal defending group 2 183048 damage +Immune System group 2 would deal defending group 1 15450 damage +Immune System group 2 would deal defending group 2 15450 damage + +Immune System group 2 attacks defending group 1, killing 3 units +Infection group 1 attacks defending group 2, killing 143 units + +Immune System: +Group 2 contains 475 units +Infection: +Group 1 contains 786 units +Group 2 contains 4434 units + +Infection group 1 would deal defending group 2 182352 damage +Immune System group 2 would deal defending group 1 11875 damage +Immune System group 2 would deal defending group 2 11875 damage + +Immune System group 2 attacks defending group 1, killing 2 units +Infection group 1 attacks defending group 2, killing 142 units + +Immune System: +Group 2 contains 333 units +Infection: +Group 1 contains 784 units +Group 2 contains 4434 units + +Infection group 1 would deal defending group 2 181888 damage +Immune System group 2 would deal defending group 1 8325 damage +Immune System group 2 would deal defending group 2 8325 damage + +Immune System group 2 attacks defending group 1, killing 1 unit +Infection group 1 attacks defending group 2, killing 142 units + +Immune System: +Group 2 contains 191 units +Infection: +Group 1 contains 783 units +Group 2 contains 4434 units + +Infection group 1 would deal defending group 2 181656 damage +Immune System group 2 would deal defending group 1 4775 damage +Immune System group 2 would deal defending group 2 4775 damage + +Immune System group 2 attacks defending group 1, killing 1 unit +Infection group 1 attacks defending group 2, killing 142 units + +Immune System: +Group 2 contains 49 units +Infection: +Group 1 contains 782 units +Group 2 contains 4434 units + +Infection group 1 would deal defending group 2 181424 damage +Immune System group 2 would deal defending group 1 1225 damage +Immune System group 2 would deal defending group 2 1225 damage + +Immune System group 2 attacks defending group 1, killing 0 units +Infection group 1 attacks defending group 2, killing 49 units + +Immune System: +No groups remain. +Infection: +Group 1 contains 782 units +Group 2 contains 4434 units + +In the example above, the winning army ends up with 782 + 4434 = 5216 units. + +You scan the reindeer's condition (your puzzle input); the white-bearded man looks nervous. As it +stands now, how many units would the winning army have? + + diff --git a/src/24/part2 b/src/24/part2 new file mode 100644 index 0000000..2cf3f09 --- /dev/null +++ b/src/24/part2 @@ -0,0 +1,186 @@ +--- Part Two --- + +After careful analysis, one thing is certain: you have no idea where all these bugs are coming +from. + +Then, you remember: Eris is an old Plutonian settlement! Clearly, the bugs are coming from +recursively-folded space. + +This 5x5 grid is only one level in an infinite number of recursion levels. The tile in the middle of +the grid is actually another 5x5 grid, the grid in your scan is contained as the middle tile of a +larger 5x5 grid, and so on. Two levels of grids look like this: + + | | | | + | | | | + | | | | +-----+-----+---------+-----+----- + | | | | + | | | | + | | | | +-----+-----+---------+-----+----- + | | | | | | | | + | |-+-+-+-+-| | + | | | | | | | | + | |-+-+-+-+-| | + | | | |?| | | | + | |-+-+-+-+-| | + | | | | | | | | + | |-+-+-+-+-| | + | | | | | | | | +-----+-----+---------+-----+----- + | | | | + | | | | + | | | | +-----+-----+---------+-----+----- + | | | | + | | | | + | | | | + +(To save space, some of the tiles are not drawn to scale.) Remember, this is only a small part of +the infinitely recursive grid; there is a 5x5 grid that contains this diagram, and a 5x5 grid that +contains that one, and so on. Also, the ? in the diagram contains another 5x5 grid, which itself +contains another 5x5 grid, and so on. + +The scan you took (your puzzle input) shows where the bugs are on a single level of this structure. +The middle tile of your scan is empty to accommodate the recursive grids within it. Initially, no +other levels contain bugs. + +Tiles still count as adjacent if they are directly up, down, left, or right of a given tile. Some +tiles have adjacent tiles at a recursion level above or below its own level. For example: + + | | | | + 1 | 2 | 3 | 4 | 5 + | | | | +-----+-----+---------+-----+----- + | | | | + 6 | 7 | 8 | 9 | 10 + | | | | +-----+-----+---------+-----+----- + | |A|B|C|D|E| | + | |-+-+-+-+-| | + | |F|G|H|I|J| | + | |-+-+-+-+-| | + 11 | 12 |K|L|?|N|O| 14 | 15 + | |-+-+-+-+-| | + | |P|Q|R|S|T| | + | |-+-+-+-+-| | + | |U|V|W|X|Y| | +-----+-----+---------+-----+----- + | | | | + 16 | 17 | 18 | 19 | 20 + | | | | +-----+-----+---------+-----+----- + | | | | + 21 | 22 | 23 | 24 | 25 + | | | | + + + - Tile 19 has four adjacent tiles: 14, 18, 20, and 24. + + - Tile G has four adjacent tiles: B, F, H, and L. + + - Tile D has four adjacent tiles: 8, C, E, and I. + + - Tile E has four adjacent tiles: 8, D, 14, and J. + + - Tile 14 has eight adjacent tiles: 9, E, J, O, T, Y, 15, and 19. + + - Tile N has eight adjacent tiles: I, O, S, and five tiles within the sub-grid marked ?. + + +The rules about bugs living and dying are the same as before. + +For example, consider the same initial state as above: + +....# +#..#. +#.?## +..#.. +#.... + +The center tile is drawn as ? to indicate the next recursive grid. Call this level 0; the grid +within this one is level 1, and the grid that contains this one is level -1. Then, after +ten minutes, the grid at each level would look like this: + +Depth -5: +..#.. +.#.#. +..?.# +.#.#. +..#.. + +Depth -4: +...#. +...## +..?.. +...## +...#. + +Depth -3: +#.#.. +.#... +..?.. +.#... +#.#.. + +Depth -2: +.#.## +....# +..?.# +...## +.###. + +Depth -1: +#..## +...## +..?.. +...#. +.#### + +Depth 0: +.#... +.#.## +.#?.. +..... +..... + +Depth 1: +.##.. +#..## +..?.# +##.## +##### + +Depth 2: +###.. +##.#. +#.?.. +.#.## +#.#.. + +Depth 3: +..### +..... +#.?.. +#.... +#...# + +Depth 4: +.###. +#..#. +#.?.. +##.#. +..... + +Depth 5: +####. +#..#. +#.?#. +####. +..... + +In this example, after 10 minutes, a total of 99 bugs are present. + +Starting with your scan, how many bugs are present after 200 minutes? + + diff --git a/src/24/solve.py b/src/24/solve.py new file mode 100644 index 0000000..fc89c84 --- /dev/null +++ b/src/24/solve.py @@ -0,0 +1,127 @@ +import sys +sys.path.append("../common") +import aoc + +immunesys = 0 +infection = 1 +ctype = 0 + +# parse input from file +def parse_input(): + groups = list() + for l in aoc.data.split("\n"): + pl = parse_entry(l) + if pl != None: + groups.append(pl) + return groups + +# parse line of input +def parse_entry(line): + global ctype + group = None + if "Immune" in line: + ctype = immunesys + elif "Infection" in line: + ctype = infection + elif line != "": + ls = line.split() + group = dict() + group["type"] = ctype + group["units"] = int(ls[0]) + group["unithp"] = int(ls[4]) + group["initiative"] = int(ls[-1]) + group["weak"] = list() + group["immune"] = list() + if "(" in line: + parenthstr = line.split("(")[1].split(")")[0] + traits = parenthstr.split(";") + for traitstr in traits: + info = traitstr.split() + group[info[0]] = [v.replace(",","") for v in info[2:]] + dmginfo = line.split("does")[1].split("damage")[0].split() + group["dmg"] = int(dmginfo[0]) + group["dmgtype"] = dmginfo[1] + return group + +def effective_power(g): + return g["units"] * g["dmg"] + +def damage(attacker, defender): + dmg = effective_power(attacker) + dmg *= (0 if attacker["dmgtype"] in defender["immune"] else 1) + dmg *= (2 if attacker["dmgtype"] in defender["weak"] else 1) + return dmg + +groups = parse_input() + +def fight(): + global groups + + lunits = 0 + + immalive = len([g for g in groups if g["type"] == immunesys]) + infalive = len([g for g in groups if g["type"] == infection]) + + while immalive > 0 and infalive > 0: + # target selection + attacked = list() + attackpairs = list() + groups = sorted(groups, key = lambda x : (effective_power(x), x["initiative"]), reverse = True) + for group in groups: + # choose group of other army, which is not already being attacked and sort appropriately + enemies = [g for g in groups if g["type"] != group["type"] and g not in attacked] + if len(enemies) == 0: + continue + target = max(enemies, key = lambda x : \ + (damage(group, x), effective_power(x), x["initiative"])) + if damage(group, target) != 0: # enemies which arent immune + attacked.append(target) + attackpairs.append((groups.index(group), groups.index(target))) + + # attacking phase + attackpairs = sorted(attackpairs, key = lambda x : groups[x[0]]["initiative"], reverse = True) + + for ap in attackpairs: + attacker = groups[ap[0]] + attacked = groups[ap[1]] + # if attacker or defender is dead, no need to attack + if attacker["units"] > 0 and attacked["units"] > 0: + dmg = damage(attacker, attacked) + # remove whole numbers of units + attacked["units"] = max(0, attacked["units"] - dmg // attacked["unithp"]) + + groups = [g for g in groups if g["units"] > 0] + immalive = sum([g["units"] for g in groups if g["type"] == immunesys]) + infalive = sum([g["units"] for g in groups if g["type"] == infection]) + units = immalive + infalive + if units == lunits: + return units + lunits = units + + return units + +def solve1(args): + return fight() + +def solve2(args): + global groups + + immunewin = False + boost = 1 + while not immunewin: + groups = parse_input() + for g in groups: + if g["type"] == immunesys: + g["dmg"] += boost + + fight() + + immunewin = (sum([0 if g["type"] == immunesys else 1 for g in groups]) == 0) + + boost += 1 + + aoc.debug("boost:", boost) + + return sum([v["units"] for v in groups]) + +aoc.run(solve1, solve2, sols=[10538, 9174]) diff --git a/src/25/input b/src/25/input new file mode 100644 index 0000000..dfdbb5b --- /dev/null +++ b/src/25/input @@ -0,0 +1,1248 @@ +-6,2,-8,3 +7,8,-1,-8 +7,-2,-4,-2 +4,-4,2,7 +5,8,-1,6 +-1,6,-4,-5 +-2,-6,-6,-6 +1,4,7,0 +-1,-3,-8,2 +5,-6,-5,-2 +-5,7,4,-2 +-2,6,-1,6 +5,4,0,-7 +1,5,-8,-3 +-3,3,8,2 +4,0,0,6 +4,-8,-3,3 +0,0,-7,-5 +-2,0,5,-3 +2,1,7,-1 +1,6,2,2 +4,4,7,-6 +-1,0,-1,1 +2,4,4,6 +-4,3,-7,2 +-5,-2,8,-7 +6,-8,-1,3 +-8,-6,-7,-3 +4,1,-7,-1 +-7,-5,-4,4 +5,-2,8,-5 +-5,-1,4,-4 +3,-3,8,4 +3,8,-8,-7 +-3,7,7,0 +-7,-5,-3,5 +-4,-5,-3,-2 +6,-8,3,8 +-2,0,8,7 +-4,3,5,7 +-6,3,5,0 +5,2,-3,-3 +0,8,0,5 +-5,-8,-1,-8 +2,6,0,6 +5,-4,0,0 +3,-2,-8,-5 +8,-4,-7,-7 +-3,-7,-8,-2 +6,7,-2,3 +5,0,-6,0 +0,-6,0,2 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b/src/25/part1 @@ -0,0 +1,108 @@ +--- Day 25: Four-Dimensional Adventure --- + +The reindeer's symptoms are getting worse, and neither you nor the white-bearded man have a +solution. At least the reindeer has a warm place to rest: a small bed near where you're sitting. + +As you reach down, the reindeer looks up at you, accidentally bumping a button on your wrist-mounted +device with its nose in the process - a button labeled "help". + +"Hello, and welcome to the Time Travel Support Hotline! If you are lost in time and space, press 1. +If you are trapped in a time paradox, press 2. If you need help caring for a sick reindeer, press 3. +If you--" + +Beep. + +A few seconds later, you hear a new voice. "Hello; please state the nature of your reindeer." You +try to describe the situation. + +"Just a moment, I think I can remotely run a diagnostic scan." A beam of light projects from the +device and sweeps over the reindeer a few times. + +"Okay, it looks like your reindeer is very low on magical energy; it should fully recover if we can +fix that. Let me check your timeline for a source.... Got one. There's actually a powerful source +of magical energy about 1000 years forward from you, and at roughly your position, too! It looks +like... hot chocolate? Anyway, you should be able to travel there to pick some up; just don't +forget a mug! Is there anything else I can help you with today?" + +You explain that your device isn't capable of going forward in time. "I... see. That's tricky. +Well, according to this information, your device should have the necessary hardware to open a small +portal and send some hot chocolate back to you. You'll need a list of fixed points in spacetime; I'm +transmitting it to you now." + +"You just need to align your device to the constellations of fixed points so that it can lock on to +the destination and open the portal. Let me look up how much hot chocolate that breed of reindeer +needs." + +"It says here that your particular reindeer is-- this can't be right, it says there's only one like +that in the universe! But THAT means that you're--" You disconnect the call. + +The list of fixed points in spacetime (your puzzle input) is a set of four-dimensional coordinates. +To align your device, acquire the hot chocolate, and save the reindeer, you just need to find the +number of constellations of points in the list. + +Two points are in the same constellation if their manhattan distance apart is no more than 3 or if +they can form a chain of points, each a manhattan distance no more than 3 from the last, between the +two of them. (That is, if a point is close enough to a constellation, it "joins" that +constellation.) For example: + + 0,0,0,0 + 3,0,0,0 + 0,3,0,0 + 0,0,3,0 + 0,0,0,3 + 0,0,0,6 + 9,0,0,0 +12,0,0,0 + +In the above list, the first six points form a single constellation: 0,0,0,0 is exactly distance 3 +from the next four, and the point at 0,0,0,6 is connected to the others by being 3 away from +0,0,0,3, which is already in the constellation. The bottom two points, 9,0,0,0 and 12,0,0,0 are in a +separate constellation because no point is close enough to connect them to the first constellation. +So, in the above list, the number of constellations is 2. (If a point at 6,0,0,0 were present, it +would connect 3,0,0,0 and 9,0,0,0, merging all of the points into a single giant constellation +instead.) + +In this example, the number of constellations is 4: + +-1,2,2,0 +0,0,2,-2 +0,0,0,-2 +-1,2,0,0 +-2,-2,-2,2 +3,0,2,-1 +-1,3,2,2 +-1,0,-1,0 +0,2,1,-2 +3,0,0,0 + +In this one, it's 3: + +1,-1,0,1 +2,0,-1,0 +3,2,-1,0 +0,0,3,1 +0,0,-1,-1 +2,3,-2,0 +-2,2,0,0 +2,-2,0,-1 +1,-1,0,-1 +3,2,0,2 + +Finally, in this one, it's 8: + +1,-1,-1,-2 +-2,-2,0,1 +0,2,1,3 +-2,3,-2,1 +0,2,3,-2 +-1,-1,1,-2 +0,-2,-1,0 +-2,2,3,-1 +1,2,2,0 +-1,-2,0,-2 + +The portly man nervously strokes his white beard. It's time to get that hot chocolate. + +How many constellations are formed by the fixed points in spacetime? + + diff --git a/src/25/part2 b/src/25/part2 new file mode 100644 index 0000000..6a97cd2 --- /dev/null +++ b/src/25/part2 @@ -0,0 +1,17 @@ +--- Part Two --- + +As you move through the main airlock, the air inside the ship is already heating up to reasonable +levels. Santa explains that he didn't notice you coming because he was just taking a quick nap. +The ship wasn't frozen; he just had the thermostat set to "North Pole". + +You make your way over to the navigation console. It beeps. "Status: Stranded. Please supply +measurements from 49 stars to recalibrate." + +"49 stars? But the Elves told me you needed fifty--" + +Santa just smiles and nods his head toward the window. There, in the distance, you can see the +center of the Solar System: the Sun! + +The navigation console beeps again. + + diff --git a/src/25/solve.py b/src/25/solve.py new file mode 100644 index 0000000..973885a --- /dev/null +++ b/src/25/solve.py @@ -0,0 +1,50 @@ +import sys +sys.path.append("../common") +import aoc + +def parse_entry(l): + return [int(v) for v in l.split(",")] + +coordinates = [parse_entry(l) for l in aoc.data.split("\n") if len(l) != 0] + +def dist(c1, c2): + return sum([abs(c1[i] - c2[i]) for i in range(4)]) + +def get_close(coords, c): + match = list() + j = 0 + while j in range(len(coords)): + if dist(c, coords[j]) <= 3: + match.append(coords[j]) + coords.pop(j) + else: + j += 1 + return match + +""" +sum = 0 +for cons in constellations: + sum += len(cons) +print(sum) +""" + +def solve1(args): + constellations = list() + available = coordinates[:] + + while len(available) != 0: + match = get_close(available, available[0]) + + j = 0 + while j < len(match): + match += get_close(available, match[j]) + j += 1 + + constellations.append(match) + + return len(constellations) + +def solve2(args): + return "" + +aoc.run(solve1, solve2, sols=[386, ""]) diff --git a/src/25/test1 b/src/25/test1 new file mode 100644 index 0000000..1147af7 --- /dev/null +++ b/src/25/test1 @@ -0,0 +1,10 @@ +1,-1,-1,-2 +-2,-2,0,1 +0,2,1,3 +-2,3,-2,1 +0,2,3,-2 +-1,-1,1,-2 +0,-2,-1,0 +-2,2,3,-1 +1,2,2,0 +-1,-2,0,-2 diff --git a/src/25/test2 b/src/25/test2 new file mode 100644 index 0000000..bf5c2b9 --- /dev/null +++ b/src/25/test2 @@ -0,0 +1,10 @@ +1,-1,0,1 +2,0,-1,0 +3,2,-1,0 +0,0,3,1 +0,0,-1,-1 +2,3,-2,0 +-2,2,0,0 +2,-2,0,-1 +1,-1,0,-1 +3,2,0,2 diff --git a/src/25/test3 b/src/25/test3 new file mode 100644 index 0000000..3089dd5 --- /dev/null +++ b/src/25/test3 @@ -0,0 +1,8 @@ +0,0,0,0 +3,0,0,0 +0,3,0,0 +0,0,3,0 +0,0,0,3 +0,0,0,6 +9,0,0,0 +12,0,0,0 diff --git a/src/25/test4 b/src/25/test4 new file mode 100644 index 0000000..3a97e16 --- /dev/null +++ b/src/25/test4 @@ -0,0 +1,10 @@ +-1,2,2,0 +0,0,2,-2 +0,0,0,-2 +-1,2,0,0 +-2,-2,-2,2 +3,0,2,-1 +-1,3,2,2 +-1,0,-1,0 +0,2,1,-2 +3,0,0,0 diff --git a/src/Makefile b/src/Makefile new file mode 100644 index 0000000..d564047 --- /dev/null +++ b/src/Makefile @@ -0,0 +1,15 @@ +DAYS = $(shell seq 1 25 | xargs printf "%02i\n") + +.PHONY: all +all:: + +define make-day +all:: $1/run +.PHONY: $1/run +$1/run: + @echo "== day $1 ==" + @echo -en "\npart 1: " && cd $1 && time python3 solve.py 1 + @echo -en "\npart 2: " && cd $1 && time python3 solve.py 2 + @echo "" +endef +$(foreach day,$(DAYS),$(eval $(call make-day,$(day)))) diff --git a/src/common/aoc.py b/src/common/aoc.py new file mode 100644 index 0000000..0d8d802 --- /dev/null +++ b/src/common/aoc.py @@ -0,0 +1,35 @@ +import sys, os + +debug_lvl = os.getenv("AOC_DEBUG") +debug_lvl = int(debug_lvl) if debug_lvl is not None else 0 + +input_name = os.getenv("AOC_INPUT") +input_name = input_name if input_name is not None else "input" + +data = open(input_name).read().strip("\n") + +def debug(*args, **kwargs): + if debug_lvl: + print(*args, **kwargs, file=sys.stderr) + +def run(solve1, solve2, sols=[None, None]): + if len(sys.argv) <= 1: + sys.exit(0) + part = int(sys.argv[1]) + if part == 1: + answer = solve1(sys.argv[2:]) + print(answer) + if sols[part - 1] is not None: + assert(answer == sols[part - 1]) + else: + print("warn: no solution available", file=sys.stderr) + elif part == 2: + answer = solve2(sys.argv[2:]) + print(answer) + if sols[part - 1] is not None: + assert(answer == sols[part - 1]) + else: + print("warn: no solution available", file=sys.stderr) + else: + assert(False) # bad part + -- cgit v1.2.3-71-gd317