More Problems

• How do you find the first node of a loop in a singly linked list using a two-pointer technique?
• Implement a function to convert a binary search tree to a doubly linked list.
• Write a function to rotate a circular singly linked list by k positions.
• How do you reverse a doubly linked list without using extra space?
• Implement a function to insert a node at the middle of a circular doubly linked list.
• Write a function to remove all nodes from a doubly linked list that are greater than the average of the list.
• How do you merge two linked lists where one is sorted in ascending order and the other in descending order?
• Implement a function to reverse every alternate group of k nodes in a singly linked list.