برنامه Stack به زبان ++C

#include <iostream.h>
#include <conio.h>
#include <stdlib.h>
//Stack
//www.softafzar.net
const int maxsize = 4; //4 is maximum size of our stack
int top =  - 1;
int stack[maxsize];

void push(int x)
{
  stack[++top] = x;
}

void pop(int &x)
{
  if (top <=  - 1)
    cout << "Stack is empty";
  else
  {
    cout << "\n" << x << " is deleted";
    x = stack[--top];
  }
}

void main()
{
  int x, i;
  char option;
  while (1)
  {
    cout << "\n\n\t1)push";
    cout << "\n\t2)pop";
    cout << "\n\t3)display";
    cout << "\n\t4)exit";
    cout << "\n\tEnter your option: ";
    option = getch();

    switch (option)
    {
      case '1':
        if (top >= maxsize)
        {
          cout << "Stack is Full";
        }
        else
        {
          cout << "\n Enter x:";
          cin >> x;
          push(x);
        }
        break;
      case '2':
        pop(x);
        break;
      case '3':
        cout << "\n";
        for (i = top; i >= 0; i--)
          cout << stack[i] << "";
        break;
      case '4':
        exit(1);
    }
  }
}

موفق باشید.