İstenilen frekansta ses

#include
#include // WinApi header

using namespace std;

int main()
{
Beep(523,500); // 523 hertz (C5) for 500 milliseconds
Beep(587,500);
Beep(659,500);
Beep(698,500);
Beep(784,500);

cin.get(); // wait
return 0;
}