#include <bits/stdc++.h>
using namespace std;
ifstream fin("royfloyd.in");
ofstream fout("royfloyd.out");
#define cin fin
#define cout fout

vector<vector<int>> adj;


int main()
{
    int n, m;
    cin >> n;
    adj.assign(n + 1, vector<int>(n + 1, 1e9));


    for(int i = 1; i <= n; i++)
    {
        for(int j = 1; j <= n; j++) {
            cin >> adj[i][j];
            if(a[i][j] == 0 && i != j) a[i][j] = 1e9;
        }
    }

    for(int k = 1; k <= n; k++) {
        for(int i = 1; i <= n; i++) {
            if(i != k && adj[i][k] != 0) {
                for(int j = 1; j <= n; j++) {
                    if(j != k && adj[k][j] != 0) {
                        adj[i][j] = min(adj[i][j], adj[i][k] + adj[k][j]);
                    }
                }
            }
        }
    }

    for(int i = 1; i <= n; i++)
    {
        for(int j = 1; j <= n; j++) {
            cout << adj[i][j] << " ";
        }
        cout << endl;
    }



}