aoc

My solutions for the Advent of Code
git clone https://git.tronto.net/aoc
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15a.c (279B)

      1 #include <stdio.h>
      2 
      3 #define N 100000
      4 
      5 char *b, line[N];
      6 int c, s;
      7 
      8 int main() {
      9 	fgets(line, N, stdin);
     10 
     11 	for (b = line, c = 0, s = 0; *b; b++) {
     12 		if (*b == ',' || *b == '\n') {
     13 			s += c;
     14 			c = 0;
     15 		} else
     16 			c = (c + (int)*b) * 17 % 256;
     17 	}
     18 
     19 	printf("%d\n", s);
     20 	return 0;
     21 }