#include <iostream>
#include <fstream>

#define inf 10000

using namespace std;

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

int a[105][105], N;

void Citire()
{
    fin >> N;
    for ( int i = 1; i <= N; i++ )
        for ( int j = 1; j <= N; j++ )
            fin >> a[i][j];

    for ( int i = 1; i <= N; i++ )
        for ( int j = 1; j <= N; j++ )
            if ( i == j )   a[i][j] = 0;
            else 
                if ( a[i][j] == 0 && i != j)
                    a[i][j] = inf;
}

void RoyFloyd()
{
    for ( int k = 1; k <= N; k++ )
        for ( int i = 1; i <= N; i++ )
            for ( int j = 1; j <= N; j++ )
                if ( a[i][j] > a[i][k] + a[k][j] )
                    a[i][j] = a[i][k] + a[k][j];
}

void afisare()
{
    for ( int i = 1; i <= N; i++ )
        for ( int j = 1; j <= N; j++ )
            if ( a[i][j] == inf ) a[i][j] = 0;
    for ( int i = 1; i <= N; i++ )
    {
        for ( int j = 1; j <= N; j++ )
            fout << a[i][j] << " ";
            fout<<"\n";
    }
}

int main()
{
    Citire();
    RoyFloyd();
    afisare();
    return 0;
}