#include <fstream>

using namespace std;

int a[104][104], n;

void Citire()
{
    int i, j;
    ifstream fin("royfloyd.in");
    fin >> n;
    for (i = 1; i <= n; i++)
        for (j = 1; j <= n; j++)
            fin >> a[i][j];
    fin.close();
}

void RF()
{
    int i, j, k;
    for (k = 1; k <= n; k++)
        for (i = 1; i <= n; i++)
            for (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()
{
    int i, j;
    ofstream fout("royfloyd.out");
    for (i = 1; i <= n; i++)
    {
        for (j = 1; j <= n; j++)
            fout << a[i][j] << " ";
        fout << "\n";
    }
    fout.close();
}

int main()
{
    Citire();
    RF();
    Afisare();
    return 0;
}