More Problems

• Implement a function to reverse the first k nodes in a circular doubly linked list using an iterative approach.
• Write a function to split a doubly linked list into two lists based on a given pivot value.
• How do you reverse every alternate node in a circular singly linked list using recursion?
• Implement a function to rotate a circular singly linked list left by k positions without breaking the list structure.
• Write a function to remove all nodes from a circular doubly linked list whose values are greater than the sum of their neighbors.
• How do you detect a loop in a singly linked list using Floyd’s cycle detection algorithm?
• Implement a function to merge two unsorted singly linked lists into one sorted doubly linked list.
• Write a function to rearrange nodes in a singly linked list such that all positive values come before negative values.