More Problems

• Write a function to check if a singly linked list is a palindrome using a stack and two-pointer technique.
• How do you rotate a circular doubly linked list to the left by k positions using recursion?
• Implement a function to reverse every k nodes in a singly linked list using an iterative approach.
• Write a function to merge two sorted doubly linked lists into one sorted circular singly linked list.
• How do you remove duplicate nodes from a sorted singly linked list without using extra memory?
• Implement a function to rotate a singly linked list so that every k-th node becomes the new head.
• Write a function to rearrange nodes in a circular singly linked list such that all odd values appear before even values.
• How do you reverse the second half of a doubly linked list using recursion?