More Problems

• Implement a function to reverse the first and last k nodes in a circular doubly linked list while leaving the middle unchanged.
• Write a function to flatten a multilevel circular doubly linked list where each node has multiple child pointers.
• How do you split a doubly linked list into k sublists where each sublist has nodes with prime values?
• Implement a function to detect and remove a loop in a doubly linked list where each node has a forward and a backward pointer.
• Write a function to rotate a circular singly linked list so that nodes with odd values come before nodes with even values.
• How do you reverse every alternate group of nodes in a multilevel doubly linked list where each node has both forward and backward pointers?
• Implement a function to merge two unsorted doubly linked lists into one sorted circular singly linked list without using extra memory.
• Write a function to rearrange nodes in a circular doubly linked list such that nodes with prime-numbered positions come before non-prime positions.