#include <fstream>
using namespace std;
ifstream fin ("royfloyd.in");
ofstream fout("royfloyd.out");
int n,a[105][105],i,j,l;
int main ()
{
    fin>>n;
    for(i=1;i<=n;i++)
        for(j=1;j<=n;j++)
            fin>>a[i][j];

    for(l=1;l<=n;l++)
        for(i=1;i<=n;i++)
            for(j=1;j<=n;j++)
                if(i!=j&&a[i][l]!=0&&a[l][j]!=0&&(a[i][j]>a[i][l]+a[l][j]||a[i][j]==0))
                     a[i][j]=a[i][l]+a[l][j];

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