#include <fstream>
using namespace std;

ifstream f("royfloyd.in");
ofstream g("royfloyd.out");

int n,a[101][101],i,j;

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

int main ()
{
  f>>n;
  for (i=1;i<=n;i++)
    for (j=1;j<=n;j++)
      f>>a[i][j];

 RoyFloyd();

 for (i=1;i<=n;i++)
 {
   for (j=1;j<=n;j++)
     g<<a[i][j]<<' ';
    g<<'\n';
 }
 return 0;
}