More Problems

• How do you rotate a circular doubly linked list to the left by k positions using an iterative approach?
• Implement a function to flatten a multilevel singly linked list where each node has both a next pointer and a random pointer.
• Write a function to split a singly linked list into two separate lists based on whether the nodes are divisible by 3.
• How do you rotate a circular singly linked list right by k positions without recursion?
• Implement a function to merge two sorted circular doubly linked lists into one sorted circular singly linked list.
• Write a function to reverse nodes between two positions m and n in a circular doubly linked list using an iterative approach.
• How do you delete nodes from a doubly linked list whose values are greater than a given threshold?
• Implement a function to reverse the first half of a singly linked list using recursion.