NYOJ 120 校园网络

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

int book1[101];
int book2[101]; 

int main()
{
    int num;
    int n;
    int temp;
    cin>>num;
    int res;
    while(num--)
    {
        res = 0;
        cin>>n;
        memset(book1,0,sizeof(book1));        
        memset(book2,0,sizeof(book2));
        for(int i=1;i<=n;i++)
        {
            while(cin>>temp&&temp!=0)
            {
                book1[temp]++;
                book2[i]++;
            }
        }
        
        for(int i=1;i<=n;i++)
        {
            if(book1[i]==0)
                res++;
            if(book2[i]==0)
                res++; 
        }
        cout<<res<<endl;
    }
    return 0;
}