#include <iostream>
#include <fstream>

using namespace std;
const int INF = 1 << 29;
int N, c[101][101];
void citire()
{
    ifstream f("royfloyd.in");
    f >> N;
    for(int i = 1; i <= N; i++)
        for(int j = 1; j <= N; j++)
        {
            f >> c[i][j];
            if(!c[i][j] && i != j) c[i][j] = INF;
        }
    f.close();
}
void royfloyd()
{
    for(int k = 1; k <= N; k++)
        for(int i = 1; i <= N; i++)
            for(int j = 1; j <= N; j++)
            {
                int cost = c[i][k] + c[k][j];
                c[i][j] = min(cost, c[i][j]);
            }
}
void afisare()
{
    ofstream g("royfloyd.out");
    for(int i = 1; i <= N; i++)
    {
        for(int j = 1; j <= N; j++)
            g << c[i][j] << ' ';
        g << '\n';
    }
    g.close();
}
int main()
{
    citire();
    royfloyd();
    afisare();
    return 0;
}