#include <fstream>
using namespace std;

ifstream fin{"royfloyd.in"};
ofstream fout{"royfloyd.out"};

size_t m[101][101], N;

int main()
{
    fin >> N;

    for(size_t i = 1; i <= N; i++)
    {
        for(size_t j = 1; j <= N; j++)
        {
            fin >> m[i][j];
            if(!m[i][j] && i != j) m[i][j] = (1 << 29);
        }
    }

    for(size_t k = 1; k <= N; k++)
    {
        for(size_t i = 1; i <= N; i++)
        {
            for(size_t j = 1; j <= N; j++)
            {
                    m[i][j] = min(m[i][j], m[i][k] + m[k][j]);
            }
        }
    }

    for(size_t i = 1; i <= N; i++)
    {
        for(size_t j = 1; j <= N; j++)
        {
            fout << m[i][j] << " ";
        }

        fout << endl;
    }
}