HackerRank - delete duplicate value nodes from a sorted linked list - most favorite solution

deleteDuplicateValueNodesFromaSortedLinkedList.cpp

/*
  Remove all duplicate elements from a sorted linked list
  Node is defined as 
  struct Node
  {
     int data;
     struct Node *next;
  }
*/
Node* RemoveDuplicates(Node *head)
{
    Node *cur = head;
    int last_seen = cur->data;
    while(cur->next) {
        if(cur->next->data == last_seen) {
            cur->next = cur->next->next;
        }else {
            cur = cur->next;
            last_seen = cur->data;
        }
    }
    return head;
}