More Problems

• How do you rearrange nodes in a circular singly linked list such that all negative values appear before non-negative values?
• Implement a function to detect if two circular doubly linked lists are mirror images of each other.
• Write a function to reverse nodes between two positions m and n in a circular doubly linked list.
• How do you flatten a multilevel singly linked list where each node has both a next and child pointer?
• Implement a function to merge two unsorted circular singly linked lists into one sorted doubly linked list.
• Write a function to delete every second node in a doubly linked list without breaking its structure.
• How do you rotate a circular singly linked list left by k positions without recursion?
• Implement a function to reverse the first k nodes in a circular singly linked list using an iterative approach.