#include <fstream>

using namespace std;
ifstream f ("royfloyd.in");
ofstream g ("royfloyd.out");
const int INF = 2000000;
int k, i, j, n, p[102][102];
int main()
{
    f >> n;
    for (i = 1; i <= n; i++)
    {
        for (j = 1; j <= n; j++)
        {
            f >> p[i][j];
            if (p[i][j] == 0 && i != j) p[i][j] = INF;
        }
    }
    for (int k = 1; k <= n; k++)
    {
        for (int i = 1; i <= n; i++)
        {
            for (int j = 1; j <= n; j++)
            {
                if (p[i][j] > p[i][k] +  p[k][j] && i != j)
                {
                    p[i][j] = p[i][k] +  p[k][j];
                }
            }
        }
    }
    for (i = 1; i <= n; i++)
    {
        for (j = 1; j <= n; j++)
        {
            g << p[i][j] << " ";
        }
        g << '\n';
    }
    return 0;
}