More Problems

• How do you reverse every alternate node in a circular singly linked list without recursion?
• Implement a function to flatten a multilevel circular doubly linked list where each node has a child pointer.
• Write a function to rearrange nodes in a circular singly linked list such that nodes with odd-positioned values come before even-positioned values.
• How do you merge two unsorted singly linked lists into one sorted circular singly linked list without recursion?
• Implement a function to reverse the second half of a doubly linked list without using recursion.
• Write a function to detect and remove a loop in a circular singly linked list using Floyd’s cycle detection.
• How do you rotate a singly linked list right by k positions without recursion?
• Write a function to implement a skip list, a data structure that allows fast search within an ordered sequence of elements.