7-1点赞狂

 1 #include <iostream>
 2 using namespace std;
 3 int main(){
 4     int t, n, m, x, tmp = 0;;
 5     cin >> t;
 6     while (t--){
 7         cin >> n >> m;
 8         for (int i = 0; i < n; i++){
 9             int cnt = 0;
10             for (int j = 0; j < m; j++){
11                 cin >> x;
12                 if (x == 1)
13                     cnt++;
14             }
15             if (cnt > m / 2)
16                 tmp++;
17         }
18     }
19     cout << tmp << endl;
20     return 0;
21 }