#include <iostream>
#include <fstream>

using namespace std;

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

    cin >> n;

    int a[n + 1][n + 1];

    for (int i = 1; i <= n; i++) {
        for (int j = 1; j <= n; j++) {
            cin >> a[i][j];
        }
    }

    for (int k = 1; k <= n; k++) {
        for (int i = 1; i <= n; i++) {
            for (int j = 1; j <= n; j++) {
                if (a[i][k] && a[k][j] && a[i][k] + a[k][j] < a[i][j]) {
                    a[i][j] = a[i][k] + a[k][j];
                }

                if (!a[i][j] && a[i][k] && a[k][j] && i != j) {
                    a[i][j] =  a[i][k] + a[k][j];
                }
            }
        }
    }


    for (int i = 1; i <= n; i++) {
        for (int j = 1; j <= n; j++) {
            cout << a[i][j] << " ";
        }
        cout << "\n";
    }

    return 0;
}