More Problems

• Write a function to reverse every k-th node in a circular singly linked list without recursion, while keeping the structure of sibling pointers intact.
• How do you detect and remove loops in a multilevel circular singly linked list where nodes have both next and child pointers?
• Implement a function to rotate a circular doubly linked list such that every third node becomes the new head, preserving the structure.
• Write a function to flatten a multilevel circular singly linked list where each node contains both sibling and child pointers.
• How do you split a circular singly linked list into two lists where one contains prime-indexed nodes and the other contains composite-indexed nodes?
• Implement a function to merge two sorted doubly linked lists where each node contains both a next pointer and a random pointer.
• Write a function to reverse every third node in a circular singly linked list without recursion, while maintaining the list structure.
• How do you rearrange nodes in a doubly linked list such that nodes with prime values come before nodes with composite values?