More Problems

• Write a function to flatten a multilevel circular doubly linked list where each node contains both a next and a down pointer to another list.
• How do you split a sorted singly linked list into k parts where each part contains alternating prime and composite values?
• Implement a function to detect and remove a loop in a multilevel doubly linked list where each node has multiple child pointers.
• Write a function to rotate a circular singly linked list so that every third node becomes the new head.
• How do you merge two unsorted doubly linked lists into one sorted circular singly linked list using radix sort?
• Write a function to rotate a doubly linked list left by k positions, but keep the relative order of every third node unchanged.
• How do you merge two sorted circular singly linked lists where each node has both a next and random pointer?
• Implement a function to reverse every k-th node in a multilevel circular singly linked list where each node has a down pointer.