More Problems

• Implement a function to reverse every alternate k-th node in a circular doubly linked list without recursion.
• Write a function to detect and merge two sorted circular singly linked lists where one list contains cycles and the other does not.
• How do you flatten a circular singly linked list where each node has a child pointer pointing to another singly linked list?
• Implement a function to rotate a circular doubly linked list such that every k-th node becomes the new head using recursion.
• Write a function to split a doubly linked list into two lists where one list contains even-indexed nodes and the other contains odd-indexed nodes.
• How do you reverse every second node in a circular singly linked list while maintaining the structure of the list?
• Implement a function to merge two sorted multilevel doubly linked lists where nodes may have both next and sibling pointers.
• Write a function to rotate a circular singly linked list by k positions without recursion, while preserving the relative order of the first n nodes.