#include <fstream>

using namespace std;

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

const int NMAX = 100;

int n, ad[NMAX + 5][NMAX + 5];

int main()
{
    int x, big = 1 << 28;
    cin >> n;
    for (int i = 1; i <= n; ++i)
    {
        for (int j = 1; j <= n; ++j)
        {
            cin >> x;
            if (!x && i != j)
            {
                ad[i][j] = big;
            }
            else
            {
                ad[i][j] = x;
            }
        }
    }
    cout << endl << endl;
    for (int k = 1; k <= n; ++k)
    {
        for (int i = 1; i <= n; ++i)
        {
            for (int j = 1; j <= n; ++j)
            {
                if (ad[i][k] && ad[k][j] && ad[i][k] + ad[k][j] < ad[i][j])
                {
                    ad[i][j] = ad[i][k] + ad[k][j];
                }
            }
        }
    }
    for (int i = 1; i <= n; ++i)
    {
        for (int j = 1; j <= n; ++j)
        {
            if (ad[i][j] == big)
            {
                cout << 0 << ' ';
            }
            else
            {
                cout << ad[i][j] << ' ';
            }
        }
        cout << '\n';
    }
    return 0;
}