More Problems

• Write a function to remove duplicate nodes from an unsorted doubly linked list without using extra space.
• How do you reverse every alternate node in a circular singly linked list using recursion?
• Implement a function to merge two circular doubly linked lists, alternating nodes from each list.
• Write a function to find the union and intersection of two sorted singly linked lists.
• How do you rotate a circular singly linked list by k positions to the left without using extra space?
• Implement a function to delete every second node from a circular doubly linked list.
• Write a function to reverse the second half of a circular singly linked list using an iterative approach.
• How do you check if two doubly linked lists contain the same elements in the same order?