#include <fstream>

using namespace std;

const int INF = 1e9;
int n,matr[102][102];
ifstream f("royfloyd.in");
ofstream g("royfloyd.out");

int main()
{


    f >> n;
    for (int i = 0; i < n; i++)
    {
        for (int j = 0; j < n; j++)
        {
            f>> matr[i][j];
            if (matr[i][j] == 0)
            {
                matr[i][j] = INF;
            }
            if (i == j)
            {
                matr[i][j] = 0;
            }
        }
    }

    for (int k = 0; k < n; k++)
    {
        for (int i = 0; i < n; i++)
        {
            for (int j = 0; j < n; j++)
            {
                matr[i][j] = min(matr[i][j], matr[i][k] + matr[k][j]);
            }
        }
    }
    for (int i = 0; i < n; i++)
    {
        for (int j = 0; j < n; j++)
        {
            g << matr[i][j] << " ";
        }
        g << "\n";
    }

}