aoc2022/04/solution.c

#include <stdio.h>

int main(void) {
    int a, b, c, d, S = 0, G = 0;

    while (scanf("%u-%u,%u-%u", &a, &b, &c, &d) == 4) {
        S += (a >= c && b <= d) || (c >= a && d <= b);
        G += (a <= c && b >= c) || (c <= a && d >= a);
    }

    printf("Silver: %d\nGold: %d\n", S, G);
}