#include <fstream>

using namespace std;

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

const int Nmax=103;

int n,a[Nmax][Nmax];

int main()
{
    fin>>n;
    for ( int i=1 ; i<=n ; i++ )
        for ( int j=1 ; j<=n ; j++ )
            fin>>a[i][j];
    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] && (a[i][j] > a[i][k] + a[k][j] || !a[i][j]) && i != j) a[i][j] = a[i][k] + a[k][j];
    for ( int i=1 ; i<=n ; i++ ){
        for ( int j=1 ; j<=n ; j++ )
            fout<<a[i][j]<<' ';
        fout<<'\n';
    }
}