More Problems

• Write a function to flatten a linked list where each node contains a linked list as its child.
• How do you delete all nodes in a circular doubly linked list whose values are divisible by a given number using recursion?
• Implement a function to rotate a doubly linked list so that the list becomes sorted in descending order.
• Write a function to reverse every alternate k-th node in a circular singly linked list.
• How do you implement a linked list that allows efficient random access to nodes using a hash table for indexing?
• Implement a function to rotate a singly linked list such that every k-th node becomes the new head.
• Write a function to merge two sorted linked lists where each node contains both a next pointer and a child pointer.
• How do you implement a circular doubly linked list with a skip pointer for faster traversal?