#include <iostream>
#include <ctime>
#include <iomanip>
using namespace std;
int
main ()
{
  srand (time (NULL));
  int n;
  int max = 0;
  int arr[100][100];
  int arrB[100][100];
  cout << "Enter n: ";
  cin >> n;
  cout << "Matrix A: " << endl;
  for (int i = 0; i < n; i++)
    {
      for (int j = 0; j < n; j++)
	{
	  arr[i][j] = rand () % 40;
	  cout << setw (4) << arr[i][j] << " ";

	}
    }
  for (int i = 0; i < n; i++)
    {
      for (int j = 0; j < n; j++)
	{
	  for (int k = 0; k < n; k++)
	    {
	      for (int z = 0; z < n; z++)
		{
        if(k>=i;k<=n-1-i;z)

		}
	    }
	  cout << "\n";
	}
    }
  return 0;
}