7-1点赞狂

#include <iostream>
using namespace std;
int main(){
    int t, n, m, x, tmp = 0;;
    cin >> t;
    while (t--){
        cin >> n >> m;
        for (int i = 0; i < n; i++){
            int cnt = 0;
            for (int j = 0; j < m; j++){
                cin >> x;
                if (x == 1)
                    cnt++;
            }
            if (cnt > m / 2)
                tmp++;
        }
    }
    cout << tmp << endl;
    return 0;
}