CPP0219.cpp

#include <bits/stdc++.h>
#define MAX 10000001
#define ll long long
#define fastsync()                \
    ios_base::sync_with_stdio(0); \
    cin.tie(NULL);                \
    cout.tie(NULL);
const int mod = 1e9 + 7;
using namespace std;

int main() {
    fastsync();
    int t;
    cin >> t;
    while (t--) {
        int n, m;
        cin >> n >> m;
        int a[n][m];
        int b[n][m] = {};
        for (int i = 0; i < n; i++)
            for (int j = 0; j < m; j++)
                cin >> a[i][j];
        for (int i = 0; i < n; i++) {
            for (int j = 0; j < m; j++) {
                if (a[i][j]) {
                    for (int k = 0; k < m; k++)
                        b[i][k] = 1;
                    for (int k = 0; k < n; k++)
                        b[k][j] = 1;
                }
            }
        }
        for (int i = 0; i < n; i++) {
            for (int j = 0; j < m; j++) {
                cout << b[i][j] << " ";
            }
            cout << endl;
        }
    }
    return 0;
}