Problem Solving

Team.cpp

#include <iostream>

using namespace std;

int main() {

    int n, solved = 0, sures;
    cin >> n;
    int ar[3];
    for (int probs = 0; probs < n; probs++) {
        sures = 0;
        for (int i = 0; i < 3; i++) {
            cin >> ar[i];
            if (ar[i] == 1)
                sures++;
        }
        if (sures >= 2)
            solved++;
    }
    cout << solved;

    return 0;
}