More Problems

• How do you merge two unsorted singly linked lists into one sorted circular doubly linked list without using extra space?
• Implement a function to flatten a multilevel doubly linked list where each node may have multiple children.
• Write a function to rotate a doubly linked list to the left by k positions without recursion.
• How do you detect the intersection point of two sorted singly linked lists without using extra space?
• Implement a function to reverse every second node in a circular singly linked list without recursion.
• Write a function to delete nodes from a circular doubly linked list whose values are divisible by a given number.
• How do you rearrange nodes in a doubly linked list such that nodes with even-positioned values appear before odd-positioned values?
• Implement a function to rotate a circular singly linked list right by k positions using an iterative approach.