#include <fstream>

using namespace std;
ifstream fin("roy-floyd.in");
ofstream fout("roy-floyd.out");
int n,m, a[105][105];
void Citire()
{
    int i,j;
    fin>>n;
    for(i=1;i<=n;i++)
      for(j=1;j<=n;j++)
        fin>>a[i][j];
    
}
void RF()
{
    int i,j,k;
    for(k=1;k<=n;k++)
     for(i=1;i<=n;i++)
       for(j=1;j<=n;j++)
       if( a[i][k]!=0 && a[k][j]!=0 && i!=j && (a[i][j]>a[i][k]+a[k][j] || a[i][j]==0)) 
           a[i][j]=a[i][k]+a[k][j];
}
int main()
{
    int i,j;
    Citire();
    RF();
    for(i=1;i<=n;i++)
    {for(j=1;j<=n;j++)
      fout<<a[i][j]<<" ";
     fout<<"\n";
    }
    return 0;
}