#include <stdio.h>
#include<stdlib.h>
struct node{
int data;
struct node *link;
};
struct node* top =NULL;
void display(struct node *ptr){
while(ptr!=NULL){
printf(" %d\n",ptr->data);
ptr = ptr->link;
}
}
void push(){
struct node *temp;
temp = malloc(sizeof(struct node));
printf("Enter the element: ");
scanf("%d",&temp->data);
temp->link = top;
top = temp;
}
void pop(){
struct node *t;
if(top == NULL){
printf("Stack is empty\n");
}
else{
t = top;
printf("Popped element: %d\n",top->data);
top = top->link;
t->link = NULL;
free(t);
}
}
int main()
{
// top = push(top,1);
// top = push(top,2);
// top = push(top,3);
// top = push(top,4);
// top = push(top,5);
// pop(top);
// display(top);
while(1){
int a;
printf("1. Push\n");
printf("2. PoP\n");
printf("3. Display\n");
printf("4. Exit\n");
printf("Enter you choice: ");
scanf("%d",&a);
switch (a)
{
case 1:
push();
break;
case 2:
pop();
break;
case 3:
display(top);
break;
case 4:
exit(0);
break;
default:
printf("Wrong Input!");
break;
}
}
return 0;
}
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