//
// Created by mihai145 on 05.12.2022.
//
#include <fstream>

using namespace std;

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

const int NMAX = 100;
const int INF = 1e9;

int N, a[NMAX + 2][NMAX + 2];

int main() {
    cin >> N;

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

            if (a[i][j] == 0 && i != j) {
                a[i][j] = INF;
            }
        }
    }

    for (int k = 1; k <= N; k++) {
        for (int i = 1; i <= N; i++) {
            for (int j = 1; j <= N; j++) {
                a[i][j] = min(a[i][j], a[i][k] + a[k][j]);
            }
        }
    }

    for (int i = 1; i <= N; i++) {
        for (int j = 1; j <= N; j++) {
            if (a[i][j] != INF) cout << a[i][j];
            else cout << 0;
            cout << ' ';
        }
        cout << '\n';
    }

    return 0;
}