题解 | #小红结账#

#include <stdio.h>
#define ll long long
int main() {
    ll n, m, k, i, j, c;
    if (scanf("%lld %lld", &n, &m) != EOF) {
        ll p[m];
        for(i = 0; i < m; i++) {
            p[i] = 0;
        }
        for(i = 0; i < n; i++) {
            if(scanf("%lld %lld", &k, &c) != EOF) {
                // printf("k is %d c is %d\n", k, c);
                for(j = 0; j < k - 1; j++) {
                    ll who;
                    if(scanf("%lld", &who) != EOF) {
                        // printf("participater %d need pay k/c = %d\n", who - 1, c/k);
                        ll b = c/k;
                        if(c % k != 0) b++;
                        p[who - 1] += b;
                    } else printf("error3\n");
                }
            }else printf("error2\n");
        }
        for(i = 0; i < m; i++) {
            printf("%lld ", p[i]);
        }
    } else printf("error1\n");
    return 0;
}