The 6th Zhejiang Provincial Collegiate Programming Contest->ProblemF：80ers' Memory

#include<bits/stdc++.h>
using namespace std;
int main() {
char aa[30][20],bb[30][20];
int n,k,m,t;
cin>>n;
for(int i=0; i<n; i++)
cin>>aa[i];
cin>>k;
for(int i=0; i<k; i++) {
cin>>m;
t=0;
for(int i=0; i<m; i++) {
cin>>bb[i];
for(int j=0; j<n; j++) {
if(strcmp(aa[j],bb[i])==0)
t++;
}
}
cout<<t<<endl;
}

return 0;
}