More Problems

• Write a function to remove the last node from a circular doubly linked list without losing its structure.
• How do you rotate a doubly linked list left by k positions?
• Implement a function to reverse every k nodes in a circular doubly linked list using an iterative approach.
• Write a function to find the union and intersection of two singly linked lists.
• How do you rearrange a singly linked list such that all negative numbers appear before positive numbers?
• Implement a function to remove nodes from a doubly linked list whose values are prime numbers.
• Write a function to merge two sorted linked lists where each node contains a random pointer to another node in the list.
• How do you reverse nodes in a doubly linked list between two specified positions without using recursion?