/* 
 * File:   main.cpp
 * Author: virtualdemon
 *
 * Created on April 24, 2010, 6:32 PM
 */
#include <cstdlib>
#include <fstream>
#define Nmax 111
#define oo 0x3f3f3f3f

/*
 * 
 */
using namespace std;
int C[Nmax][Nmax];
int main(int argc, char** argv)
{
    int N, i, j, k;
    ifstream in( "royfloyd.in" );
    in>>N;
    for( i=1; i <= N; ++i )
            for( j=1; j <= N; ++j )
                in>>C[i][j];
    for( k=1; k <= N; ++k )
        for( i=1; i <= N; ++i )
           for( j=1; j <= N; ++j )
                    if( C[i][k] && C[k][j] && C[i][j] > C[i][k]+C[k][j] )
                        C[i][j]=C[i][k]+C[k][j];
    ofstream out( "royfloyd.out" );
    for( i=1; i <= N; ++i )
    {
        for( j=1; j <= N; ++j )
            out<<C[i][j]<<' ';
        out<<'\n';
    }
    return (EXIT_SUCCESS);
}