#include <iostream>
#include <fstream>

using namespace std;

ifstream fin ("royfloyd.in");

const int NMAX = 101;
const int INF = 100005;

int main()
{
    int n, m[NMAX][NMAX];
    cin >> n;
    for (int i = 1; i <= n; i++) {
            for (int j = 1; j <= n; j++) {
                cin >> m[i][j];
                if (m[i][j] == 0 && i != j)
                    m[i][j] = INF;
            }
    }
    for (int k = 1; k <= n; k++) {
        for(int i = 1; i <= n; i++) {
            for (int j = 1; j <= n; j++) {
                int drum = m[i][k] + m[k][j];
                if (i != k && j != k && i != j && drum < m[i][j])
                    m[i][j] = drum;
            }
        }
    }
    for (int i = 1; i <= n; i++) {
            for (int j = 1; j <= n; j++) {
                cout << m[i][j] << " ";
            }
        cout << "\n";
    }
    return 0;
}