#include <fstream>
const int NMAX = 128;
int a[NMAX][NMAX], n;

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

void print()
{
    std::ofstream fout("royfloyd.out");
    for ( int i = 1; i <= n; i++)
    {
        for ( int j = 1; j <= n; j++)
        {
            fout << a[i][j] << ' ';
        }
        fout << '\n';
    }
    fout.close();
}

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

int main()
{
    read();
    roy_floyd();
    print();
    return 0;
}