#include <fstream>
using namespace std;
ifstream in("royfloyd.in");
ofstream out("royfloyd.out");
int mat[110][110], rf[110][110], s, a, b, c, i, j, z, n, m;
int main()
{
    in >> n;
    for (i = 1; i <= n; i++)
        for (j = 1; j <= n; j++)
        {
            in >> rf[i][j];
            if (rf[i][j] == 0)
                rf[i][j] = 1e9;
        }
    for (z = 1; z <= n; z++)
        for (i = 1; i <= n; i++)
            for (j = 1; j <= n; j++)
                if (i != j)
                    rf[i][j] = min(rf[i][j], rf[i][z] + rf[z][j]);
    for (i = 1; i <= n; i++)
    {
        for (j = 1; j <= n; j++)
            if (rf[i][j] != 1e9)
                out << rf[i][j] << ' ';
            else
                out << "0 ";
        out << '\n';
    }
    return 0;
}