aoc-2018-python

Advent of Code 2018 Solutions in Python
git clone https://git.sinitax.com/sinitax/aoc-2018-python
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solve.py (920B)

      1import sys
      2sys.path.append("../common")
      3import aoc
      4
      5data = aoc.data.split("\n")
      6
      7def solve1(args):
      8    doubles = 0
      9    triples = 0
     10    for s in data:
     11        counts = list((0,) * 26)
     12        for c in s:
     13            counts[ord(c[0])-97] += 1
     14        if 2 in counts:
     15            doubles += 1
     16        if 3 in counts:
     17            triples += 1
     18    return doubles * triples
     19
     20def compare(s1, s2):
     21    dif = 0
     22    same = list()
     23    for i in range(len(s1)):
     24        if s1[i] != s2[i]:
     25            dif += 1
     26        else:
     27            same.append(s1[i])
     28    return (dif, same)
     29
     30def solve2(args):
     31    for i in range(len(data)):
     32        for j in range(i, len(data)):
     33            if i == j:
     34                continue
     35            res = compare(data[i], data[j])
     36            if res[0] == 1:
     37                return "".join(res[1])
     38
     39
     40aoc.run(solve1, solve2, sols=[3952, "vtnikorkulbfejvyznqgdxpaw"])