More Problems

• How do you remove every k-th node from a circular doubly linked list without breaking the list structure?
• Implement a function to reverse the first n nodes in a circular singly linked list using recursion.
• Write a function to rearrange nodes in a doubly linked list such that all nodes with values divisible by 3 appear before others.
• How do you split a doubly linked list into two linked lists based on a pivot value?
• Write a function to check if a doubly linked list is a palindrome using a two-pointer technique.
• How do you rotate a circular singly linked list by k positions without modifying the structure?
• Implement a function to merge two sorted circular doubly linked lists into one sorted list with no duplicates.
• Write a function to reverse every alternate node in a doubly linked list without swapping data.