#include <bits/stdc++.h>

using namespace std;

const int N = 101;

int a[N][N];
int main()
{
    ifstream cin("royfloyd.in");
    ofstream cout("royfloyd.out");

    int n;
    cin >> n;
    for(int i = 1; i <= n; i ++)
    {
        for(int j = 1; j <= n; j ++)
        {
            cin >> a[i][j];
        }
    }
    for(int k = 1; k <= n; k ++)
    {
        for(int i = 1; i <= n; i ++)
        {
            for(int j = 1; j <= n; j ++)
            {
                if(a[i][k] != 0 && a[k][j] != 0 && (a[i][j] > a[i][k] + a[k][j] or a[i][j] == 0) and i != j)
                    a[i][j] = a[i][k] + a[k][j];
            }
        }
    }
    for(int i = 1; i <= n; i ++)
    {
        for(int j = 1; j <= n; j ++)
        {
            cout << a[i][j] << " ";
        }
        cout << '\n';
    }

}