aoc2024/05/part2.c

83 lines
2.2 KiB
C

#include "_.h"
int strslen(char **strs) {
int count = 0;
for (int i = 0; strs[i] != NULL; i++)
count++;
return count;
}
int is_first(char ***inputs_1_split, int verif, int verif_2, int j, int k) {
for (int i = 0; inputs_1_split[i] != NULL; i++) {
int number_left = atoi(inputs_1_split[i][0]);
int number_right = atoi(inputs_1_split[i][1]);
if (number_left != verif && number_right != verif)
continue;
if (number_left != verif_2 && number_right != verif_2)
continue;
if (j > k) {
if (number_left == verif)
continue;
else
return 0;
}
else {
if (number_right == verif)
continue;
else
return 0;
}
}
return 1;
}
void swap(char **str_1, char **str_2) {
char *tmp = *str_1;
*str_1 = *str_2;
*str_2 = tmp;
}
int main(int argc, char **argv) {
if (argc != 3)
return 1;
char **inputs_1 = str_split(strdup(argv[1]), '\n');
char ***inputs_1_split = calloc(strslen(inputs_1) + 1, sizeof(char**));
for (int i = 0; inputs_1[i] != NULL; i++)
inputs_1_split[i] = str_split(inputs_1[i], '|');
char **inputs_2 = str_split(strdup(argv[2]), '\n');
int count = 0;
for (int i = 0; inputs_2[i] != NULL; i++) {
char **inputs_2_comma = str_split(inputs_2[i], ',');
int is_good = 1;
int is_good_final = 1;
for (int j = 0; inputs_2_comma[j] != NULL; j++) {
int verif = atoi(inputs_2_comma[j]);
for (int k = 0; inputs_2_comma[k] != NULL; k++) {
int verif_2 = atoi(inputs_2_comma[k]);
if (k != j)
is_good = is_first(inputs_1_split, verif_2, verif, j, k);
is_good_final = is_good == 0 ? 0 : is_good_final;
if (!is_good) {
swap(&inputs_2_comma[j], &inputs_2_comma[k]);
j = 0;
break;
}
}
}
if (!is_good_final) {
count += atoi(inputs_2_comma[strslen(inputs_2_comma) / 2]);
}
}
printf("count: %d\n", count);
return 0;
}