/* 
 * File:   main.cpp
 * Author: virtualdemon
 *
 * Created on March 27, 2010, 8:51 AM
 */
#include <fstream>
#include <cstdlib>
#include <iterator>
#define INF 0x3f3f3f3f

/*
 *
 */
using namespace std;
int C[ 100 ][ 100 ];
int main( void )
{
    int N, i, j, k;
    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]=INF;
        }
    for( k=0; k < N; ++k )
        for( i=0; i < N; ++i )
            if( i != k )
                for( j=0; j < N; ++j )
                    if( j != i && j !=k && C[i][k]+C[k][j] < C[i][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( INF == C[i][j] )
                out<<'0';
            else out<<C[i][j];
            out<<' ';
        }
        out<<'\n';
    }
    return EXIT_SUCCESS;
}