#include <iostream>
#include <fstream>

using namespace std;

const int NMAX = 256+10;

long long dist[NMAX][NMAX];

int main()
{
    ifstream cin ("royfloyd.in");
    ofstream cout ("royfloyd.out");

    int n;
    cin >> n;
    for (int i=1; i<=n; i++)
    {
        for (int j=1; j<=n; j++)
        {
            cin >> dist[i][j];
            if ((dist[i][j] == 0) && (i != j)) dist[i][j] = 1e17;
        }
    }
    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] == 1e17) || (dist[k][j] == 1e17)) continue;
                dist[i][j] = min(dist[i][j], dist[i][k]+dist[k][j]);
            }
        }
    }
    for (int i=1; i<=n; i++)
    {
        for (int j=1; j<=n; j++)
        {
            cout << dist[i][j] << " ";
        }
        cout << '\n';
    }
    return 0;
}