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

ifstream f("royfloyd.in");
ofstream g("royfloyd.out");

const int N = 105;
const int oo = 1e9 + 5;

int n, adj[N][N];

int main()
{
    f >> n;
    for (int i = 1; i <= n; i++)
        for (int j = 1; j <= n; j++){
            f >> adj[i][j];
            if (!adj[i][j] && i != j) adj[i][j] = oo;
        }
    for (int k = 1; k <= n; k++)
        for (int i = 1; i <= n; i++)
            for (int j = 1; j <= n; j++)
                if (adj[i][j] > adj[i][k] + adj[k][j])
                    adj[i][j] = adj[i][k] + adj[k][j];

    for (int i = 1; i <= n; i++){
        for (int j = 1; j <= n; j++)
            g << (adj[i][j] == oo ? 0 : adj[i][j]) << ' ';
        g << '\n';
    }

    return 0;
}