#include <iostream>
 using namespace std;
 struct elem
 {
     int info;
     elem *next;
 };
 elem *insert_begin(elem *ptr, int a);
 void print(elem *ptr);
 elem *vvod(elem *ptr);
 void udalenie(elem *ptr);
 elem *insert_end(elem *ptr, int a);
 int main()
 {
     setlocale(LC_ALL, "Russian");
     elem *head;
     head=new elem;
     head->next=NULL;
     head=vvod(head);
     udalenie(head);
     cout<<"NEW LIST"<<endl;
     print(head->next);
     system("pause");
     return 0;
 }
 elem *vvod(elem *ptr)
 {
     int a;
     cout<<"Введите элементы списка "<<endl;
     cin>>a;
     while (a)
     {
         //ptr=insert_begin(ptr,a);
         ptr=insert_end(ptr,a);
         cin>>a;
     }
     return ptr;
 }
 void udalenie(elem *ptr){
     elem *ptr2=ptr;
     while(ptr2->next!=NULL)
     {
         if(ptr2->info==ptr2->next->info){
             free(ptr2);
             ptr2=NULL;
             free(ptr2);
             ptr2=ptr2->next->next;
             cout<<ptr2->info<<" qweqwewqewqeqwewq"<<endl;
         }
         else ptr2=ptr2->next;
     }
 }
 elem *insert_begin(elem *ptr, int a)
 {
     elem *temp;
     temp=new elem;
     temp->info=a;
     temp->next=ptr;
     return temp;
 }
 elem *insert_end(elem *ptr, int a)
 {
     elem *ptr2;
     ptr2=ptr;
     while (ptr2->next != NULL)
        ptr2=ptr2->next;
     elem *temp;
     temp=new elem;
     temp->info=a;
     temp->next=NULL;
     ptr2->next=temp;
     return ptr;
 }
 void print(elem *ptr)
 {
     elem *temp;
     temp=ptr;
     while (temp!=NULL)
     {
         cout<<temp->info<<" ";
         temp=temp->next;
     }
     cout<<endl;
 }