Write a program to split one linked list into two list

#include<iostream.h>

#include<conio.h>

#include<stdlib.h>

struct node

{

               int data;

               struct node *link;

}*start=NULL,*start2;

               void create_list()

               {

               char ch;

               do

               {

                               if(start==NULL)

                               {

                               struct node *temp;

                                              temp=new node;

                                              cout<<"enter data:--";

                                              cin>>temp->data;

                                              temp->link=NULL;

                                              start=temp;

                               }

                               else

                               {

                                              struct node *temp,*ptr;

                                              temp=new node;

                                              cout<<"enter data:-";

                                              cin>>temp->data;

                                              temp->link=NULL;

                                              ptr=start;

                                              while(ptr->link!=NULL)

                                              {

                                              ptr=ptr->link;

                                              }

                                              ptr->link=temp;

                               }

                               cout<<"do u want to continue(y/n):-";

                               cin>>ch;

               }while(ch=='y');

               }

               void spilt()

               {

                               struct node *ptr;

                               int count=0,temp=0;

                               if(start==NULL)

                               {

                                              cout<<" No linked list";

                               }

                               else if(start->link==NULL)

                               {

                                              cout<<"Can't split node because only one node in linked list";

                               }

                               else

                               {

                                              ptr=start;

                                              while(ptr!=NULL)

                                              {

                                                             count++;

                                                             ptr=ptr->link;

                                              }//end of while

                               temp=count/2;

                               int count1=1;

                               ptr=start;

                                              while(ptr!=NULL && count1!=temp)

                                              {

                                                             ptr=ptr->link;

                                                             count1++;

                                              }//end of while

                               start2=ptr->link;

                               ptr->link=NULL;

                                  }

                 }//end of function

                void full_display()

                {

                               struct node *ptr;

                               ptr=start;

                               cout<<"linked list is="<<endl;

                               while(ptr!=NULL)

                               {

                                              cout<<"|"<<ptr->data<<"|->";

                                              ptr=ptr->link;

                               }//end of while loop

               }

               void first_display()

               {

                               struct node *ptr;

                               ptr=start;

                               cout<<"the first linked list is"-"<<endl;

                               while(ptr!=NULL)

                               {

                                              cout<<" "<<ptr->data<<" ";

                                              ptr=ptr->link;

                               }//end of while loop

               }//end of function

               void second_display()

               {

                               struct node *ptr1;

                               ptr1=start2;

                               cout<<"second linked list ="<<endl;

                               while(ptr1!=NULL)

                               {

                                              cout<<" "<<ptr1->data<<" ";

                                              ptr1=ptr1->link;

                               }//end of while loop

               }//end of function

void main()

{

               clrscr();

               int choice;

               int n,loc,c=0;

               cout<<" press 1. create linked list"<<endl;

               cout<<" press 2. display linked list"<<endl;

               cout<<" press 3. the first linked list is"<<endl;

               cout<<" press 4. the second linked list is"<<endl;

               cout<<" press 5. spilt a linked list"<<endl;

               cout<<" press 6. EXIT"<<endl;

               while(1)

               {

                               cout<<" enter your choice:-";

                               cin>>choice;

                               switch(choice)

                               {

               case 1:

                               create_list();

                               break;

               case 2:

                               full_display();

                               break;

               case 3:

                               first_display();

                               break;

               case 4:

                               second_display();

                               break;

               case 5:

                               cout<<"A linked list divided into two part"<<endl;

                               spilt();

                               break;

               case 6:

                               exit(0);

                               break;

               default:

                               cout<<"try again";

                               break;

               }//END OF SWITCH CASE

               getch();

               }//END OF WHILE

}//END OF MAIN