学步园

#include <iostream>
#include <cstring>
#include <cstdio>
using namespace std;
int main()
{
    //freopen("a.txt","r",stdin);
    char str[210][85],s[210][85];
    int n,m,i,count;
    cin>>n;
    while(n--)
    {
        cin>>m;
        getchar();
        memset(str,0,sizeof(str));
        memset(s,0,sizeof(s));
        for(i=0; i<m; i++)
            gets(str[i]);
        for(i=0; i<m; i++)
            gets(s[i]);
        for(i=count=m-1; i>=0; i--)
            if(strcmp(str[i],s[count])==0)count--;
        for(i=count; i>=0; i--)
            cout<<s[i]<<endl;
        cout<<endl;
    }
    return 0;
}