#include <iostream>
using namespace std;

int main()
{
    int n;
    cin >> n;

    //1D array n elements
    int *A;
    A = (int *) calloc (n, sizeof (int));


    //2D array n*n elements
    int **B;
    B = (int **) calloc (n, sizeof (int));
    for(int i = 0; i < n; i++)
        B[i] = (int *) calloc (n, sizeof (int));
}