#include <iostream>
#include <fstream>
using namespace std;

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

int n, dist[105][105];

void Citire()
{
    fin >> n;
    for (int i = 1; i <= n; i++)
    {
        for (int j = 1; j <= n; j++)
        {
            fin >> dist[i][j];
        }
    }
}

void RoyFloyd()
{
    for (int k = 1; k <= n; k++)
    {
        for (int i = 1; i <= n; i++)
        {
            for (int j = 1; j <= n; j++)
            {
                if ( dist[i][k] && dist[k][j] && i != j &&
                     ( (dist[i][j] > dist[i][k] + dist[k][j]) || (dist[i][j] == 0) ) )
                {
                    dist[i][j] = dist[i][k] + dist[k][j];
                }
            }
        }
    }
}

void Afisare()
{
    for (int i = 1; i <= n; i++)
    {
        for (int j = 1; j <= n; j++)
        {
            fout << dist[i][j] << ' ';
        }
        fout << '\n';
    }
}

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