Membuat Pola Ketupat C++

#include <iostream>
using namespace std;

int main()
{

    int batas;

    cout << "\n\t Membuat Pola Ketupat \n\n";

    cout << " Inputkan Batas Pola : ";
    cin >> batas;

    cout << endl;

    for (int i = 1; i <= batas; i++)
    {

        for (int j = batas; j > i; j--)
        {

            cout << " ";
        }

        for (int k = 1; k <= (2 * i - 1); k++)
        {

            cout << "*";
        }

        cout << endl;
    }

    for (int i = 2; i <= batas; i++)
    {

        for (int j = 1; j < i; j++)
        {

            cout << " ";
        }

        for (int k = batas; k >= (2 * i - batas); k--)
        {

            cout << "*";
        }

        cout << endl;
    }

    cout << endl;
}