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

signed main() {
    ios_base::sync_with_stdio(false);
    cin.tie(nullptr);
    cout.tie(nullptr);
    freopen("royfloyd.in", "r", stdin);
    freopen("royfloyd.out", "w", stdout);

    int n;
    cin >> n;
    int a[n][n];

    for (int i = 0; i < n; ++i) {
        for (int j = 0; j < n; ++j) {
            cin >> a[i][j];
        }
    }

    for (int k = 0; k < n; ++k) {
        for (int i = 0; i < n; ++i) {
            for (int j = 0; j < n; ++j) {
                if  (a[i][j] != 0 && a[i][k] != 0 && a[k][j] != 0) {
                    a[i][j] = min(a[i][j], a[i][k] + a[k][j]);
                }
            }
        }
    }

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