More Problems

• How do you detect and remove all loops in a circular doubly linked list where each node contains both forward and random pointers?
• Implement a function to rotate a circular singly linked list by k positions while preserving the relative order of child pointers.
• Write a function to flatten a multilevel circular singly linked list where each node contains both forward and sibling pointers.
• How do you rearrange nodes in a circular doubly linked list such that all nodes with prime-indexed values appear before composite-indexed values?
• Write a function to rotate a multilevel circular singly linked list by k positions where nodes contain both child and sibling pointers.
• How do you merge two unsorted circular singly linked lists into one sorted circular doubly linked list using quicksort?
• Implement a function to reverse every alternate k-th node in a circular doubly linked list without breaking the list structure.
• Write a function to flatten a multilevel circular singly linked list where each node contains a pointer to a binary search tree.