#include<stdio.h>
#include<conio.h>
int stack[10];
int top = -1;
int push(int n);
int pop();
void print();
int main()
{
 char ch;
 int num;
 for(;;)
 {
  printf("\n************************ OPERATION ON STACK ****************************");
  printf("\n1.PUSH\n2.POP\n3.DISPLAY\n0.EXIT");
  printf("\nEnter your chpice");
  scanf("%d",&ch);
  switch(ch)
  {
   case 1: printf("\nEnter number to push");
           scanf("%d",&num);
           push(num);
           break;
   case 2: pop();
     break;
   case 3: print();
           break;
   case 0: exit(0);
 
   default : printf("\nEnter a valid choice");        
  }
 }
 getch();
}
int push( int num)
{
 if(top<10)
 {
  top++;
  stack[top]=num;
 }
 else
 printf("Stack is full \n Push is not possible");
}
int pop()
{
 int data='\0';
 if(top==-1)
     printf("\nStack is empty");
 else
     {
      data=stack[top];
         top--;
      printf("\n deleted element is %d",data);
        }
}
void print()
{
 int i;
 printf("Stack element are....\n");
 for(i=0;i<10;i++)
 if(stack[i]!='\0')
 printf("%d\t",stack[i]);
}
output