More Problems

• Implement a function to check if two circular doubly linked lists are identical.
• Write a function to rearrange a singly linked list such that all negative numbers appear before non-negative numbers.
• How do you split a circular doubly linked list into three parts with approximately equal lengths?
• Implement a function to rotate a singly linked list so that every k-th node becomes the new head.
• 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.