#include <bits/stdc++.h>
using namespace std;
int n, m, x, y, i, j, k, a[105][105];
ifstream fin("royfloyd.in");
ofstream fout("royfloyd.in");
int main()
{
    fin >> n >> m;
    while(m)
    {
        fin >> x >> y;
        a[x][y] = 1;
        m --;
    }
    for(k = 1; k <= n; k ++)
     for(i = 1; i <= n; i ++)
      for(j = 1; j <= n; j ++)
       if(a[i][j] == 0)
        a[i][j] = a[i][k] * a[k][j];
    for(i = 1; i <= n; i ++)
    {
        for(j = 1; j <= n; j ++)
         fout << a[i][j] << " ";
        fout << "\n";
    }
    return 0;
}