#include <bits/stdc++.h>
#define infile "royfloyd.in"
#define outfile "royfloyd.out"
#define NMAX 105

using namespace std;
int n, dp[NMAX][NMAX];
int main()
{
    ifstream f(infile);
    ofstream g(outfile);

    f >> n;
    for (int i = 1; i <= n; i++)
    {
        for (int j = 1; j <= n; j++)
        {
            f >> dp[i][j];
        }
    }

    for (int k = 1; k <= n; k++)
    {
        for (int i = 1; i <= n; i++)
        {
            for (int j = 1; j <= n; j++)
            {
                if (dp[i][k] && dp[k][j] && (dp[i][j] > dp[i][k] + dp[k][j] || !dp[i][j]) && i != j)
                {
                    dp[i][j] = dp[i][k] + dp[k][j];
                }
            }
        }
    }

    for (int i = 1; i <= n; i++)
    {
        for (int j = 1; j <= n; j++)
        {
            g << dp[i][j] << " ";
        }
        g << '\n';
    }

    f.close();
    g.close();
    return 0;
}