#include <iostream>

using namespace std;

const int N = 102;

int n, m;
bool d[N][N];

void citire() {
    cin >> n >> m;

    int x, y;
    for (int i = 0; i < m; i++) {
        cin >> x >> y;
        d[x][y] = true;
    }

    for (int i = 1; i <= n; i++) d[i][i] = true;
}

int main()
{
    citire();

    for (int i = 1; i <= n; i++) {
        for (int j = 1; j <= n; j++) {
            for (int k = 1; k <= n; k++) {
                if (d[i][k] && d[k][j]) d[i][j] = true;
            }
        }
    }

    for (int i = 1; i <= n; i++) {
        for (int j = 1; j <= n; j++) cout << d[i][j] << ' ';
        cout << '\n';
    }
}