#include <fstream>
using namespace std;

ifstream is("royfloyd.in");
ofstream os("royfloyd.out");

int a[101][101], sol[101][101];
int n;

int main()
{
    is >> n;
    for (int i = 1; i <= n; ++i)
        for (int j = 1; j <= n; ++j)
            is >> a[i][j];

    for (int k = 1; k <= n; ++k)
        for (int i = 1; i <= n; ++i)
            for (int j = 1; j <= n; ++j)
                if (a[i][k] != 0 && a[k][j] != 0 && i != j)
                    if (a[i][j] > a[i][k] + a[k][j] || a[i][j] == 0)
                        a[i][j] = a[i][k] + a[k][j];

    for (int i = 1; i <= n; ++i)
    {
        for (int j = 1; j <= n; ++j)
            os << a[i][j] << ' ';
        os << '\n';
    }


    is.close();
    os.close();
    return 0;
}