aoc

My solutions for the Advent of Code
git clone https://git.tronto.net/aoc
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14a.c (335B)

      1 #include <stdio.h>
      2 
      3 #define N 102
      4 
      5 char line[N];
      6 int i, j, t, s[N], r[N];
      7 
      8 int main() {
      9 	for (i = 0; fgets(line, N, stdin) != NULL; i++) {
     10 		for (j = 0; line[j] != '\n'; j++) {
     11 			if (line[j] == '#') s[j] = i+1;
     12 			if (line[j] == 'O') r[s[j]++]++;
     13 		}
     14 	}
     15 	for (j = 0; j < i; j++)
     16 		t += r[j] * (i-j);
     17 
     18 	printf("%d\n", t);
     19 	return 0;
     20 }