More Problems

• How do you detect and remove all loops in a circular doubly linked list where each node has multiple forward and backward pointers?
• Implement a function to reverse the first n nodes in a multilevel circular singly linked list while maintaining the structure of the other nodes.
• Write a function to rearrange nodes in a circular doubly linked list such that all prime-numbered nodes come before composite-numbered nodes.
• How do you split a circular singly linked list into two lists, one containing prime-numbered nodes and the other containing composite-numbered nodes?
• Implement a function to rotate a multilevel circular doubly linked list by k positions, while preserving the structure of sibling pointers.
• Write a function to flatten a multilevel circular singly linked list where each node contains both next and sibling pointers.
• How do you merge two unsorted circular doubly linked lists into one sorted singly linked list using merge sort?
• Implement a function to reverse the second half of a circular singly linked list while leaving the first half unchanged.