Çàäà÷à . Êâàäðàòíûé äûðîêîë

#include<iostream>
using namespace std;

int a[105][105];
int b[105][105];
int m;
int n;
int list;

void rec(int x, int y) {    

}

int main() {
    cin >> m >> n;

    for (int i = 0; i < m; i++) {
        for (int j = 0; j < n; j++)
            cin >> a[i][j];
    }

    for (int i = 0; i < m; i++) 
        for (int j = 0; j < n; j++)
            if (a[i][j] != 1 && b[i][j] != 1) {
                rec(i, j);
                list++;
            }

    cout << list;
}