Program menampilkan gambar bintang berbentuk diagonal pada C ++

#include iostream

#include conio.h

#include math.h

using namespace std;

int main ()

{

    int num, a, b, i, j, x, y;

    cout << "** Gambar **" << endl;

    cout << "\nMasukkan angka ganjil = ";

    cin >> num;

   

    if (num % 2 == 1)

    {

         a = num / 2;

         b = a;

         x = 1;

         y = a + 1;          

    }

    else

    {

         cout << "oups, Anda tidak memasukkan angka ganjil";

         cout << endl;

         cout << endl;

         system("PAUSE");

         return 0;

    }

   

    for (i = 1; i <= num; i++)

    {

        for (j = 1; j <= a; j++){

            cout << "* ";

        }

       

        for (j = 1; j <= x; j++){

            if ( j % 2 == 0)

               cout << "  ";

            else

               cout << "* ";

        }

       

        for (j = 1; j <= b; j++){

            cout << "* ";

        }

       

        if (i < y){

           a--;

           b--;

           x = x + 2;

        }

        else{

           a++;

           b++;

           x = x - 2;

        }

       

        cout <<  "\n";

          

    }

    getch();

    return 0;