#include <bits/stdc++.h>
using namespace std;

int n, a[101][101];
const int INF = 1e9;

int main() {
    ifstream cin("royfloyd.in");
    ofstream cout("royfloyd.out");
    cin >> n;
    for (int i = 1; i <= n; i++)
        for (int j = 1; j <= n; j++) {
            cin >> a[i][j];
            if (!a[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++)
                if (a[i][j] > a[i][k] + a[k][j])
                    a[i][j] = a[i][k] + a[k][j];

    for (int i = 1; i <= n; i++) {
        for (int j = 1; j <= n; j++) {
            int k = a[i][j] == INF ? 0 : a[i][j];
            cout << k << " ";
        }
        cout << "\n";
    }
}