#include <iostream>
#include <fstream>

using namespace std;

ifstream fin("royfloyd.in");
ofstream fout("royfloyd.out");

const int N = 101;
const int oo = 1e9 + 5;

int n, adj[N][N];

int main()
{
    fin >> n;
    for (int i = 1; i <= n; i++)
        for (int j = 1; j <= n; j++) 
        {
            fin >> 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++)
            if (adj[i][j] == oo)
                fout << 0 << ' ';
            else
                fout << adj[i][j] << ' ';
        fout << '\n';
    }

    return 0;
}