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

vector<vector<int>> adj;
const int INF = 2e9;

void royfloyd(int n) {
    for (int k = 1; k <= n; k++)
        for (int i = 1; i <= n; i++)
            for (int j = 1; j <= n; j++)
                if (adj[i][k] != INF && adj[k][j] != INF)
                    adj[i][j] = min(adj[i][j], adj[i][k] + adj[k][j]);
}

int main() {
    freopen("royfloyd.in", "r", stdin);
    freopen("royfloyd.out", "w", stdout);

    int n;
    cin >> n;
    adj.assign(n + 1, vector<int>(n + 1, INF));
    for (int i = 1; i < n + 1; i++) {
        for (int j = 1; j < n + 1; j++) {
            int w; cin >> w;
            if (w == 0 && i != j) continue;
            adj[i][j] = w;
        }
    }

    royfloyd(n);

    for (int i = 1; i <= n; i++) {
        for (int j = 1; j <= n; j++) {
            if (adj[i][j] == INF)
                cout << 0 << " ";
            else
                cout << adj[i][j] << " ";
        }
        cout << "\n";
    }

    return 0;
}