#include <fstream>
using namespace std;
string file = "royfloyd";
ifstream cin (file + ".in");
ofstream cout (file + ".out");
int dp[101][101];
const int INF = 100000000;
int main ()
{
    int n;
    cin >> n;
    for (int i=1; i<=n; i++)
    {
        for (int j=1; j<=n; j++)
        {
            cin >> dp[i][j];
            if (dp[i][j] == 0 && i != j)
                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++)
            {
                int x = dp[i][k] + dp[k][j];
                if (dp[i][j] > x)
                {
                    dp[i][j] = x;
                }
            }
        }
    }
    for (int i=1; i<=n; i++)
    {
        for (int j=1; j<=n; j++)
        {
            if (dp[i][j] == INF)
                dp[i][j] = 0;
            cout << dp[i][j] << ' ';
        }
        cout << '\n';
    }
}