Stack Program in C++

C++

keep in mind that this Program is build in DEV Editor of c++.
Stack Program in C++

#include<iostream>
#include<stdio.h>
using namespace std;
#define SIZE 4
int push();
int pop();
void display();
int s[SIZE],top=-1,item;
/*when we use top=0, its not work properly beasuse of,
  we use array and when we use top=0, array index will distrube
  for the accurte use of stack in array we must use top=-1.
  it will help in if else conditions and also in loop */
  //Saving 5 number(data) in Stack program.

int push()
{
 if (top == SIZE)
 cout<<"\n Sorry! Stack is full"<<endl;
 else
 {
 cout<<"\n Enter What You want to Add:";
 cin>>item;
 top++;
 s[top]=item;
 cout<<"\n\tYou Added :"<<item<<endl; 
 }}

int pop()
{
 if (top == -1)
 cout<<"\n Stack is Empty"<<endl;
 else
 {
 item = s[top];
    top--;
    cout<<"\n ITEM deleted is = " <<item;
 } 
}

void display()
{
 int a;
  if (top==-1)
 cout<<"\n\nSatck is Empty";
 else
 {
 cout<<"\nFollowing Item Are saved:\n";
 for(a=top; a>=0; a--)
 cout<<"\n"<<s[a]<<endl; 
 } 
}

int main()
 { 
  char ch;
  do
  {
    cout<<"\n\n\t MENU \n\t\t\t\t\n1.Press A for Add Item(Push)\n2.Press E for Erase Item(Pop)\n3.Press D for Display\n4.Press Q for Quit Program\n"; 
     cout<<"\nEnter your choice: "; 
     cin>>ch;
    if (ch=='a'||ch=='A')
   {
    push();
  }
  else if (ch=='e'||ch=='E')
   {
    pop();
   }
   else if (ch=='d'||ch=='D')
   {
    display();
   }
   else if (ch=='q'||ch=='Q')
   {
    cout<<"\n\n\t\tPress Enter for Done";
    break;
   }
  else
  {
  cout<<"Something Press wrong";
  }}while(ch!='q');
 }

Output of this program :)

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Stack Program in C++

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