poj2664

简单题

#include <iostream>
#include <cstdio>
#include <cstdlib>
#include <cstring>
using namespace std;

#define maxn 10000

int k, m;
bool sel[maxn];

void input()
{
    scanf("%d", &m);
    memset(sel, 0, sizeof(sel));
    for (int i = 0; i < k; i++)
    {
        int a;
        scanf("%d", &a);
        sel[a] = true;
    }
    bool ok = true;
    for (int i = 0; i < m; i++)
    {
        int c, r;
        scanf("%d%d", &c, &r);
        int temp = 0;
        for (int i = 0; i < c; i++)
        {
            int a;
            scanf("%d", &a);
            if (sel[a])
                temp++;
        }
        if (temp < r)
            ok = false;
    }
    if (ok)
        printf("yes\n");
    else
        printf("no\n");
}

int main()
{
    //freopen("t.txt", "r", stdin);
    while (scanf("%d", &k), k)
    {
        input();
    }
    return 0;
}