#include using namespace std; typedef long long ll; typedef pair P; const int INF = 1e9; const int mod = 1e9+7; const double EPS = 1e-10; const double PI = acos(-1.0); int main() { int n; cin >> n; int a[(1<> a[i][j]; } cin >> flag[i]; if(flag[i] == 0) x++; else y++; } if(x == (1<