Advent of Code 2018
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25 lines
420 B

#include <stdlib.h>
#include <stdio.h>
int main()
{
int value = 0;
char *line = NULL;
size_t line_len = 0;
FILE *f = fopen("input", "r");
if (!f) {
perror("input");
return 1;
}
while (getline(&line, &line_len, f) != -1) {
long number = strtol(line, NULL, 0);
value += number;
}
printf("%d\n", value);
free(line);
fclose(f);
return 0;
}