More Problems

• 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.
• Write a function to split a sorted singly linked list into two lists where one contains nodes whose values are prime numbers.
• How do you rotate a circular doubly linked list so that the last node becomes the head?
• Implement a function to reverse every second node in a circular singly linked list using an iterative approach.
• Write a function to check if a singly linked list is a palindrome using a stack and two-pointer technique.