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#include <iostream>
using namespace std;
bool v[102][102];
int main()
{
int n, m;
cin >> n >> m;
for(int i = 1; i <= m; i++)
{
int x, y;
cin >> x >> y;
v[x][y] = 1;
}
for(int k = 1; k <= n; k++)
{
for(int i = 1; i <= n; i++)
{
for(int j = 1; j <= n; j++)
{
if(v[i][k] == 1 && v[k][j] == 1)
{
v[i][j] = 1;
}
}
}
}
for(int i = 1; i <= n; i++)
{
for(int j = 1; j <= n; j++)
{
cout << v[i][j] << ' ';
}
cout << '\n';
}
return 0;
}