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

void file_in(string name) {
    freopen((name + ".in").c_str(), "r", stdin);
    freopen((name + ".out").c_str(), "w", stdout);
}

using ll = long long;

// const int N = 110;
const ll INF64 = (2e18) + 5;

struct edge {
    int v, w;
};

// vector<edge> g[N];

int main() {
    file_in("royfloyd");

    int n;
    cin >> n;

    vector<vector<ll>> sol(n + 1, vector<ll>(n + 1, INF64));

    for(int i = 1; i <= n; i++) {
        for(int j = 1; j <= n; j++) {
            cin >> sol[i][j];
            if((sol[i][j] == 0 && i != j))
                sol[i][j] = INF64;
        }
    }

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

    for(int i = 1; i <= n; i++) {
        for(int j = 1; j <= n; j++)
            cout << ((sol[i][j] == INF64) ? 0 : sol[i][j]) << ' ';
        cout << '\n';
    }  
}