More Problems

• Write a function to remove all nodes with values less than a given threshold from a doubly linked list.
• How do you reverse every third node in a circular singly linked list?
• Implement a function to count the number of odd-positioned nodes in a doubly linked list.
• Write a function to merge two sorted linked lists into a circular doubly linked list.
• How do you find the sum of odd-positioned nodes in a circular singly linked list?
• Implement a function to insert a node at the third position in a doubly linked list.
• Write a function to remove the second last node in a circular singly linked list.
• How do you reverse the first n nodes of a circular doubly linked list?