#include <fstream>

using namespace std;
ifstream fin("royfloyd.in");
ofstream fout("royfloyd.out");
int n,a[102][102];
int main()
{ int i,j,k;
    fin>>n;
    for(i=1;i<=n;i++)
     for(j=1;j<=n;j++)
      fin>>a[i][j];
    for(k=1;k<=n;k++)
      for(i=1;i<=n;i++)
       for(j=1;j<=n;j++)
        if(i!=j&&k!=i&&k!=j)
         if((a[i][k]&&a[k][j])&&(a[i][j]>a[i][k]+a[k][j]||a[i][j]==0)) a[i][j]=a[i][k]+a[k][j];
    for(i=1;i<=n;i++)
    {for(j=1;j<=n;j++)
    fout<<a[i][j]<<" ";
    fout<<"\n";
    }
        return 0;
}