#include <iostream>
#include <fstream>

using namespace std;

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

const int dim = 105;
const int INF = 1e9;

int n,dp[dim][dim];

int main()
{
    in >> n;
    for (int i=1; i<=n; i++)
    {
        for (int j=1; j<=n; j++)
        {
            in >> dp[i][j];
            if (i != j && dp[i][j] == 0)
            {
                dp[i][j] = INF;
            }
        }
    }
    for (int k=1; k<=n; k++)
    {
        for (int i=1; i<=n; i++)
        {
            for (int j=1; j<=n; j++)
            {
                dp[i][j] = min(dp[i][j], dp[i][k] + dp[k][j]);
            }
        }
    }
    for (int i=1; i<=n; i++)
    {
        for (int j=1; j<=n; j++)
        {
            if (i != j && dp[i][j] == INF)
            {
                dp[i][j] = 0;
            }
            out << dp[i][j] << " ";
        }
        out << "\n";
    }
    return 0;
}