More Problems

• How do you reverse every k nodes in a circular doubly linked list using an iterative approach?
• Implement a function to rotate a doubly linked list so that every second node becomes the new head.
• Write a function to rearrange nodes in a circular singly linked list such that nodes with even values appear before nodes with odd values.
• How do you merge two sorted doubly linked lists into one sorted circular singly linked list without extra space?
• Implement a function to detect if two circular singly linked lists are identical.
• Write a function to reverse nodes between two given positions m and n in a doubly linked list using an iterative approach.
• How do you rotate a singly linked list right by k positions without using recursion?
• Implement a function to flatten a doubly linked list where each node has a next pointer and a random pointer.