#include <iostream>
#include <fstream>

using namespace std;

const int Nmax = 102;

int D[Nmax][Nmax];
int N;

int main()
{
    ifstream f("royfloyd.in");
    ofstream g("royfloyd.out");

    f >> N;

    for ( int i = 1; i <= N; ++i )
            for ( int j = 1; j <= N; ++j )
                    f >> D[i][j];

    for ( int k = 1; k <= N; ++k )
            for ( int i = 1; i <= N; ++i )
                    for ( int j = 1; j <= N; ++j )
                            if ( i != j && D[i][k] && D[k][j] && ( D[i][j] == 0 || D[i][j] > D[i][k] + D[k][j] ) )
                                    D[i][j] = D[i][k] + D[k][j];

    for ( int i = 1; i <= N; ++i, g << "\n" )
            for ( int j = 1; j <= N; ++j )
                    g << D[i][j] << " ";

    return 0;
}