很少代码

#include <stdio.h>
int main() {
    int h = 0, d = 0, b, i;
    for (i = 1; i <= 12; i++) {
        scanf("%d", &b);
        h += 300 - b;
        if (h < 0) { printf("-%d", i); return 0; }
        d += h / 100 * 100;
        h %= 100;
    }
    printf("%d", h + d * 12 / 10);
}