aoc-2019-c

Advent of Code 2019 Solutions in C
git clone https://git.sinitax.com/sinitax/aoc-2019-c
Log | Files | Refs | README | sfeed.txt

main.c (1777B)

      1#include "iccmp.h"
      2#include "maxint.h"
      3#include "aoc.h"
      4#include "util.h"
      5
      6#include "assert.h"
      7#include <stdlib.h>
      8
      9void
     10consume_output(struct icc *icc)
     11{
     12	struct maxint mi;
     13	mi_ul imm;
     14
     15	mi.cap = 0;
     16	mi.data = &imm;
     17	mi.size = 1;
     18	mi.sign = MI_POS;
     19	imm = 128;
     20
     21	while (icc->state != ICC_HALT) {
     22		switch (icc->state) {
     23		case ICC_OUTPUT:
     24			if (mi_cmp(&icc->out, &mi) >= 0) {
     25				aoc_debug("LARGE\n");
     26				return;
     27			}
     28			aoc_debug("%c", (char) mi_cast_ul(&icc->out));
     29			break;
     30		case ICC_INPUT:
     31			return;
     32		}
     33		icc_step_inst(icc);
     34	}
     35}
     36
     37void
     38feed_input(struct icc *icc, const char *line)
     39{
     40	const char *c;
     41
     42	consume_output(icc);
     43
     44	c = line;
     45	while (icc->state != ICC_HALT) {
     46		switch (icc->state) {
     47		case ICC_INPUT:
     48			mi_setv(&icc->in, (mi_ul) *c, MI_POS);
     49			c += 1;
     50			break;
     51		}
     52		icc_step_inst(icc);
     53		if (!*c) return;
     54	}
     55}
     56
     57void
     58part1(void)
     59{
     60	struct icc icc;
     61
     62	icc_init(&icc);
     63	icc_parse_inst(&icc, aoc.input, aoc.input_size);
     64
     65	feed_input(&icc, "NOT C J\n");
     66	feed_input(&icc, "AND D J\n");
     67	feed_input(&icc, "NOT A T\n");
     68	feed_input(&icc, "OR T J\n");
     69	feed_input(&icc, "WALK\n");
     70
     71	consume_output(&icc);
     72	assert(icc.state == ICC_OUTPUT);
     73
     74	aoc.answer = aprintf("%lu", mi_cast_ul(&icc.out));
     75	aoc.solution = "19358262";
     76
     77	icc_deinit(&icc);
     78}
     79
     80void
     81part2(void)
     82{
     83	struct icc icc;
     84
     85	icc_init(&icc);
     86	icc_parse_inst(&icc, aoc.input, aoc.input_size);
     87
     88	feed_input(&icc, "NOT C J\n");
     89	feed_input(&icc, "NOT B T\n");
     90	feed_input(&icc, "OR T J\n");
     91	feed_input(&icc, "AND D J\n");
     92	feed_input(&icc, "AND H J\n");
     93	feed_input(&icc, "NOT A T\n");
     94	feed_input(&icc, "OR T J\n");
     95	feed_input(&icc, "RUN\n");
     96
     97	consume_output(&icc);
     98	assert(icc.state == ICC_OUTPUT);
     99
    100	aoc.answer = aprintf("%lu", mi_cast_ul(&icc.out));
    101	aoc.solution = "1142686742";
    102
    103	icc_deinit(&icc);
    104}