#include<fstream>
using namespace std;

ifstream fin("royfloyd.in");
ofstream fout("royfloyd.out");
int N, C[105][105];
void Read();
void RF();
void Write();
int main()
{
    Read();
    RF();
    Write();
    fin.close();
    fout.close();
    return 0;

}
void Read()
{
    fin >> N;
    for(int i = 1; i <= N; i++)
    for(int j = 1; j <= N; j++)
    fin >> C[i][j];
}
void RF()
{
    for(int k = 1; k <= N; k++)
    for(int i = 1; i <= N; i++)
    for(int j = 1; j <= N; j++)
    if ( C[i][k] && C[k][j] && i != j && (C[i][j] > C[i][k] + C[k][j] || !C[i][j]))
                    C[i][j] = C[i][k] + C[k][j];
}
void Write()
{
    for(int i = 1; i <= N; i++)
    {
        for(int j = 1; j <= N; j++)
        fout << C[i][j] << " ";
        fout << '\n';
    }
}