#include <fstream>

using namespace std;

ifstream f("royfloyd.in");
ofstream g("royfloyd.out");
int n,i,j,k,a[101][101];
void read()
{
    f>>n;

    for (i=1;i<=n;i++)
     for (j=1;j<=n;j++)
       f>>a[i][j];
}
void solve()
{
    for (i=1;i<=n;i++)
     for (j=1;j<=n;j++)
       for (k=1;k<=n;k++)
         if (a[i][k] && a[k][j] && (a[i][k]+a[k][j]<a[i][j] || a[i][j]==0))
          a[i][j]=a[i][k]+a[k][j];

}
int afiseaza()
{
    for (i=1;i<=n;i++)
     {
         for (j=1;j<=n;j++)
           if (i==j)g<<"0 ";
           else g<<a[i][j]<<' ';
           g<<'\n';
        }
}
int main()
{
     read();
     solve();
     afiseaza();

    f.close();
    g.close();
}