More Problems

• Write a function to reverse every alternate k-th node in a circular singly linked list without recursion, while preserving the structure of sibling pointers.
• How do you rearrange nodes in a doubly linked list such that all nodes with prime-numbered positions come before composite-numbered positions?
• Implement a function to flatten a multilevel circular singly linked list where each node may have multiple child and sibling pointers.
• Write a function to rotate a circular singly linked list such that nodes with even values come before nodes with odd values.
• How do you split a circular singly linked list into two lists where one contains nodes divisible by 4 and the other divisible by 6?
• Implement a function to reverse every second node in a circular doubly linked list while preserving the relative order of sibling pointers.
• Write a function to merge two sorted circular singly linked lists where one contains nodes with prime values and the other contains composite values.
• How do you detect and remove loops in a multilevel circular doubly linked list where nodes contain both forward and backward pointers?