Program to show Push and Pop Method in C++

#include 

#include 

#include 



const int maxstk=10;

int top;

int stack [maxstk];

push (int item);

pop();

display();

void main()

{

	int ch, item;

	

	do

	{

	cout<<"enter 1 for push \n"<<"enter 2 for pop"<<"\n enter 3  for exit \n";

		cout <<"enter your choice";

		cin>>ch;

		switch (ch)

		{

		case 1:

		cout <<"enter item to push";

		cin>>item;

		push (item);

		break;

		case 2:

		pop();

		break;

		case 3:

		exit (0);

		break;

		default:

			cout<<"input is wrong \n";

			break;

		}

	

	}

	while(1);

}

	push(int item)



	{

		if(top==maxstk)

		{

			cout<<"overflow\n";

			return 0;

		}

		else

			top=top+1;

		stack[top]=item;

		display();

	}



      pop()

	  {

		if(top==0)

		{

			cout<<"underflow\n";

			return 0;

		}

		else

			top=top-1;

		display();

	}

	display()

	{

			cout<<"Stack elements\n";

		for(int i=1;i<=top;i++)

		{

		

			cout<		}

	}