C語言

#include <stdio.h>

int main() {
    long long red_hat, people, day;

    while (scanf("%lld %lld", &people, &red_hat) == 2) {
        day = red_hat ;
        printf("%lld\n", day);
    }

    return 0;
}

C語言

#include

int main() {
    long long red_hat, people, day;

    while (scanf("%lld %lld", &people, &red_hat) == 2) {
        day = red_hat ;
        printf("%lld\n", day);
    }

    return 0;
}

範例測資就錯了

可以先從小情況討論

還有考慮是否有任意一頂白帽子