More Problems

• Write a function to reverse every k-th node in a circular singly linked list while maintaining the relative order of the remaining nodes.
• How do you split a circular doubly linked list into two lists, one containing odd-positioned nodes and the other containing even-positioned nodes?
• Implement a function to rotate a multilevel circular doubly linked list such that every second node becomes the new head.
• Write a function to flatten a multilevel circular doubly linked list where each node contains both a next and a sibling pointer.
• How do you detect the first common node in two linked lists where each list contains multiple forward and backward pointers?
• Implement a function to reverse the first half of a doubly linked list while preserving the structure of the second half.
• Write a function to rearrange nodes in a circular singly linked list such that nodes with even-positioned values appear before odd-positioned values.
• How do you split a circular singly linked list into two lists where one contains nodes with prime-numbered positions and the other contains composite-numbered positions?