#include<fstream>
using namespace std;

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

int n;

int a[101][101];

void Read();
void RF();
void Write();

int main()
{
    Read();
    RF();
    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 RF()
{
     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] && a[k][j] && i != j && ( a[i][j] > a[i][k] + a[k][j] || a[i][j] == 0 ))
                        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 << '\n';
     }
}