/* 
 * File:   main.cpp
 * Author: VirtualDemon
 *
 * Created on April 3, 2010, 10:40 AM
 */
#include <cstdlib>
#include <fstream>
#define Nmax 100
#define oo 0x3f3f3f3f

/*
 * 
 */
using namespace std;
int main(int argc, char** argv)
{
    int N, i, j, k;
    int C[Nmax][Nmax];
    ifstream in( "royfloyd.in" );
    in>>N;
    for( i=0; i < N; ++i )
        for( j=0; j < N; ++j )
        {
            in>>C[i][j];
            if( !C[i][j] )
                C[i][j]=oo;
        }
    for( k=0; k < N; ++k )
        for( i=0; i < N; ++i )
            if( i != k )
                for( j=0; j < N; ++j )
                    if( i != j && j != k && C[i][j] > C[i][k]+C[k][j] )
                        C[i][j]=C[i][k]+C[k][j];
    ofstream out( "royfloyd.out" );
    for( i=0; i < N; ++i )
    {
        for( j=0; j < N; ++j )
        {
            if( oo == C[i][j] )
                out<<'0';
            else out<<C[i][j];
            out<<' ';
        }
        out<<'\n';
    }
    return EXIT_SUCCESS;
}