PROGRAM ANIMASI STACK C++

#include <iostream.h>
#include <conio.h>
#include <stdlib.h>

int top,i;
char key,temp,e;
char stack[10];
void delay();

void pushanim()
{
for(i=0;i<=17; i++) { gotoxy(22+i,7);cout<<" "; gotoxy(23+i,7); cout<<<" "; gotoxy(40,7+i); cout<<<" "; gotoxy(40,21-i-top); cout<<<" "; gotoxy(39+i,7); cout<<<" "; } void push(char e) { top=top+1; stack[top]=e; pushanim(); } void pop(char e) { if(top !=0) { e=stack[top]; popanim(e); top=top-1; } else { gotoxy(1,7); cout<<"stack telah kosong"<<<"Animasi Stack"<<<"1.Push"<<<"2.Pop"<<<"3.quit"<<<"pilih [1/2/3] ="<<<"="; gotoxy(59,8); cout<<"="; gotoxy(37,9); cout<<"|| ||"; for(i=1;i<=11;i++) { gotoxy(38,10+i); if(i==11) cout<<"|___|"; else cout<<"| |"; } top=0; do { input: gotoxy(1,5); cout<<"masukkan pilihan anda[1/2/3] : "; key=getche(); if(int(key)==27 || key=='3') break; else if(key=='1') { if(top != 10) { gotoxy(1,7); cout<<"masukkan suatu huruf : "; cin>>temp;
push(temp);
gotoxy(1,7); cout<<" ";
}
else
{
gotoxy(1,7); cout<<"stack penuh";
getch();
gotoxy(1,7); cout<<"
";
}
}
else if(key=='2')
pop(temp);
else
goto input;
}while(1);

getch();
}

void delay()
{
for(int y=1;y<100;y++)
for(int x=1;x<100;x++)
for(int p=1;p<100;p++)
cout<<"";
}