stack_cd.cpp

  name="google_ads_frame" marginwidth="0" marginheight="0" src="http://pagead2.googlesyndication.com/pagead/ads?client=ca-pub-5572165936844014&dt=1194442938015&lmt=1194190197&format=336x280_as&output=html&correlator=1194442937843&url=file%3A%2F%2F%2FC%3A%2FDocuments%2520and%2520Settings%2Flhh1%2F%E6%A1%8C%E9%9D%A2%2FCLanguage.htm&color_bg=FFFFFF&color_text=000000&color_link=000000&color_url=FFFFFF&color_border=FFFFFF&ad_type=text&ga_vid=583001034.1194442938&ga_sid=1194442938&ga_hid=1942779085&flash=9&u_h=768&u_w=1024&u_ah=740&u_aw=1024&u_cd=32&u_tz=480&u_java=true" frameborder="0" width="336" scrolling="no" height="280" allowtransparency="allowtransparency"> #include <iostream.h>
#define ARR_SIZE 100

class stack
{
   int stck[ARR_SIZE];
   int stack_top;
 public:
  stack();
   ~stack();
   void push(int i);
   int pop();
 };

stack::stack(void)
 {
  stack_top = 0;
   cout << "Stack Initialized" << endl;
 }

stack::~stack(void)
 {
  cout << "Stack Destroyed" << endl;
 }

void stack::push(int i)
 {
  if (stack_top==ARR_SIZE)
    {
     cout << "Stack is full." << endl;
      return;
    }
   stck[stack_top] = i;
   stack_top++;
 }

int stack::pop(void)
 {
  if (stack_top==0)
    {
     cout << "Stack underflow." << endl;
      return 0;
    }
   stack_top--;
   return stck[stack_top];
 }

void main(void)
 {
  stack obj1, obj2;

   obj1.push(1);
   obj2.push(2);
   obj1.push(3);
   obj2.push(4);
   cout << obj1.pop() << endl;
   cout << obj1.pop() << endl;
   cout << obj2.pop() << endl;
   cout << obj2.pop() << endl;
 }