More Problems

• 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.
• How do you reverse every third node in a circular singly linked list using an iterative approach?
• Implement a function to flatten a multilevel doubly linked list where each node has a child pointer.
• Write a function to rotate a circular singly linked list right by k positions using an iterative approach.
• How do you remove duplicate nodes from a sorted doubly linked list without using extra space?