Stack

PROGRAM:

#include<iostream.h>

void push();

void pop();

int s[5],top=0;

main()

{

int ch;

char c;

do

{

cout<<"\n1.PUSH";

cout<<"\n2.POP";

cout<<"\nEnter the choice:\n";

cin>>ch;

switch(ch)

{

 case 1:

   push();

   break;

 case 2:

   pop();

   break;

 default:

   cout<<"\nEnter the valid choice";

}

cout<<"\nDo you want to continue?";

cin>>c;

}while(c=='y'||c=='Y');

}

void push()

{

if(top==5)

cout<<"\nStack is full";

else

cout<<"\nEnter the element to be pushed:";

cin>>s[top];

top++;

}

void pop()

{

top=top-1;

if(top<0)

cout<<"\nstack is empty";

else

cout<<"\nPop out elements"<<s[top];

}