poj 2664 Prerequisites?

#include<stdio.h>#include<string.h>int main(){int i,j,r,c;int k,m,a,b,flag;int map[10000];while(scanf("%d",&k)!=EOF,k){memset(map,0,sizeof map);scanf("%d",&m);for(i=0;i<k;i++){scanf("%d",&a);map[a]++;}flag=1;int count;for(i=0;i<m;i++){scanf("%d %d",&r,&c);count=0;for(j=0;j<r;j++){scanf("%d",&b);if(map[b]>0)//娌￠�count++;}if(count<c)flag=0;}if(flag==0)puts("no");elseputs("yes");}return 0;}