More Problems

• Implement a function to rotate a multilevel circular doubly linked list by k positions, while preserving the structure of sibling pointers.
• Write a function to flatten a multilevel circular singly linked list where each node contains both next and sibling pointers.
• How do you merge two unsorted circular doubly linked lists into one sorted singly linked list using merge sort?
• Implement a function to reverse the second half of a circular singly linked list while leaving the first half unchanged.
• Write a function to split a singly linked list into two lists where one contains nodes with even-positioned values and the other contains odd-positioned values.
• How do you detect and merge two sorted circular doubly linked lists where one list contains cycles and the other does not?
• Implement a function to flatten a circular singly linked list where each node may have both child and sibling pointers.
• Write a function to rotate a circular doubly linked list such that every third node becomes the new head, while preserving the list structure.