#include <fstream>

using namespace std;

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

const int INF = 2000000000;
int n, p[102][102];

int main()
{
    f >> n;
    for (int i = 1; i <= n; i++)
    {
        for (int 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] && p[i][j] != 0 && p[i][k] != 0 && p[k][j] != 0) p[i][j] = p[i][k] + p[k][j];
            }
        }
    }

    for (int i = 1; i <= n; i++)
    {
        for (int j = 1; j <= n; j++)
        {
            if (p[i][j] == INF) g << "0 ";
            else g << p[i][j] << " ";
        }
        g << '\n';
    }
    return 0;
}