#include <fstream>

using namespace std;

ifstream fin("royfloyd.in");
ofstream fout("royfloyd.out");
int a[104][104], n;

void Read()
{
    fin >> n;

    for (int i = 1; i <= n; i++)
        for (int j = 1; j <= n; j++)
            fin >> a[i][j];
}

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

}

void Afisare ()
{
    for (int i = 1; i <= n; i++)
    {
        for (int j = 1; j <= n; j++)
            fout << a[i][j] << " ";
        fout << "\n";
    }
}

int main()
{
    Read ();
    RoyFloyd ();
    Afisare ();
    return 0;
}