#include <fstream>

using namespace std;

ifstream fin("royfloyd.in");
ofstream fout("royfloyd.out");

int n, distance_matrix[105][105];

void read()
{
    fin >> n;
    for (int i = 1; i <= n; i++)
        for (int j = 1; j <= n; j++)
            fin >> distance_matrix[i][j];
}

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

void afisare()
{
    for (int i = 1; i <= n; i++) 
    {
        for (int j = 1; j <= n; j++)
            fout << distance_matrix[i][j] << ' ';
        fout << '\n';
    }
}

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