CODE
#include"iostream.h"
#include"conio.h"
#include"dos.h"
main()
{
int p=1234;
clrscr();
back:
cout<<"Enter pin code: ";
cin>>p;
sound(1000);
delay(500);
nosound();
if (p==1234)
{
cout<<"\nAccess allowed.";
sound(600);
delay(500);
nosound();
}
else
{
cout<<"\nAccess Denied.";
sound(2000);
delay(600);
nosound();
clrscr();
goto back;
}
getch();
return 0;
}
*Mod Edit: added code tags: