C++ Program implement a stack using an array

C++ Program implement a stack using an array.

/**************************************************************	
	Author: Arun Vishnu M V
	Web: www.arunmvishnu.com
	Description: C++ Program implement a stack using an array
***************************************************************/
#include<conio.h>   	
#include<iostream.h> 
#include<process.h>  

void main()
{
	int stack[150],top,n,i,max_stack,choice,element,n_pop;
	max_stack=150;
	cout<<"How many elements are in the stack: ";
	cin>>n;
	cout<<"Enter "<>stack[top];
	cout<<"\nStack is implemented.\nThe stack is\n";
	for(i=top-1;i>=0;i--)
		cout<>choice;
		switch(choice)
		{
			case 1:     //  PUSH
				cout<<"\nPUSH OPERATION\n";
				if(top>=max_stack)
            {
					cout<<"Stack is full!";
					getch();
					break;
				}
				cout<<"Enter an element: ";
				cin>>element;
				stack[top]=element;
            top++;
				cout<<"Item Inserted!";
				getch();
				break;
			case 2:             // POP
				cout<<"POP OPERATION\n";
				if(top<0)
				{
					cout<<"Stack is empty";
					getch();
					break;
				}
				cout<<"How many elements you want to pop: ";
            cin>>n_pop;
				if(n_pop>top)
				{
					cout<<"\nError!\nStack is small.";
					getch();
               break;
				}
				top=top-n_pop;
				cout<<"Items POPed";
				getch();
				break;
			case 3:       //  Display
				cout<<"\The stack is\n";
				for(i=top-1;i>=0;i--)
					cout<< stack[i] <<"   ";
				getch();
				break;
			case 4:
				exit(0);
				getch();
			default:
				cout<<"RE-enter your choice!";
		}	// End of switch
	}		// End of while
	getch();
}

//---------------------- END--------------------

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