More Problems

• How do you merge two sorted doubly linked lists where each node contains both next and sibling pointers?
• Implement a function to reverse the first n nodes of a multilevel circular doubly linked list without breaking the list structure.
• Write a function to flatten a circular singly linked list where each node may have multiple child pointers and sibling pointers.
• How do you rearrange nodes in a circular singly linked list such that the list alternates between even and odd values?
• Implement a function to split a sorted doubly linked list into two lists where one list contains nodes with values divisible by 3.
• Write a function to reverse every alternate k-th node in a multilevel singly linked list without recursion.
• How do you detect and remove multiple loops in a circular doubly linked list where nodes contain both next and sibling pointers?
• Implement a function to rotate a circular singly linked list such that every k-th node becomes the new head while maintaining the list structure.