#include<fstream>
using namespace std;

ifstream fin("royfloyd.in");
ofstream fout("royfloyd.out");

#define DIM 100

int a[DIM][DIM], n;

void Read();
void Solve();
void Write();

int main()
{
    Read();
    Solve();
    Write();
    
    fin.close();
    fout.close();
    
    return 0;
}

void Read()
{
     fin >> n;
     for(int i = 1; i <= n; ++i )
         for(int j = 1; j <= n; ++j )
              fin >> a[i][j]; 
}

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

void Write()
{
     for( int i = 1; i <= n; ++i )
     {
          for( int j = 1; j <= n; ++j )
               fout << a[i][j] << ' ';
          fout << endl;
     }
}