#include<stdio.h>
struct node
{
int data;
struct node *next;
}*start=NULL;

void create()
{
char ch;
 do
 {
  struct node *new_node,*current;

  new_node=(struct node *)malloc(sizeof(struct node));

  printf("\n Enter the data : ");
  scanf("%d",&new_node->data);
  new_node->next=NULL;

  if(start==NULL)
  {
  start=new_node;
  current=new_node;
  }
  else
  {
  current->next=new_node;
  current=new_node;
  }

 printf("\n Do you want to creat another : ");
 ch=getche();
 }while(ch!='n');
}


void display()
{
struct node *new_node;
 printf("The Linked List : \n");
 new_node=start;
 while(new_node!=NULL)
   {
   printf("%d--->",new_node->data);
   new_node=new_node->next;
   }
  printf("NULL");
}
void RemoveDuplicates()
{
    struct node *new_node;

    if(start==NULL)
    {
        printf("List is empty.");
    }
    else
    {
        new_node=start;
        for(new_node=start;new_node!=NULL;new_node=new_node->next)
            if(new_node==new_node->next)
             free(new_node);
    }
}
void main()
{
create();

display();

RemoveDuplicates();
printf("\n");
display();

}