ArrayStack.cpp

// ConsoleApplication10.cpp : main project file.

#include "stdafx.h"
#include <iostream>
using namespace std;

const int MAX_SIZE = 100;

class ArrayStack
{
private:
	int data[MAX_SIZE];
	int top;
public:
	ArrayStack()
	{
		top = -1;
	}

	void Push(int element)
	{
		if (top >= MAX_SIZE -1)
		{
			cout << "MAX SIZE REACHED\n";
			return;
		}
		data[++top] = element;
	}

	int Pop()
	{
		if (top == -1)
		{
			cout << "STACK IS EMPTY\n";
			return -1;
		}
		return data[top--];
	}

	int Top()
	{
		if (top == -1)
		{
			cout << "STACK IS EMPTY\n";
			return -1;
		}
		return data[top];
	}

	int Size()
	{
		return top + 1;
	}

	bool isEmpty()
	{
		return (top == -1) ? true : false;
	}
};

int main()
{
	ArrayStack s;

	if (s.isEmpty())
	{
		cout << "Stack is empty\n" << endl;
	}
	// Push elements    
	s.Push(100);
	s.Push(200);
	s.Push(300);
	

	cout << s.Pop() << "\n";

}