More Problems

• Write a function to merge two sorted circular singly linked lists into one sorted doubly linked list without using extra memory.
• How do you detect and remove all loops in a circular singly linked list where nodes contain both child and sibling pointers?
• Implement a function to reverse the first n nodes in a multilevel circular singly linked list while preserving the structure of the rest of the list.
• Write a function to rearrange nodes in a circular doubly linked list such that all nodes with prime values come before nodes with non-prime values.
• How do you split a doubly linked list into two lists where one list contains nodes divisible by 6 and the other contains nodes divisible by 9?
• Implement a function to rotate a multilevel circular singly 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 may contain both next and child pointers.
• How do you merge k unsorted doubly linked lists into one sorted circular singly linked list using merge sort?