More Problems

• Write a function to reverse every third node in a circular doubly linked list without recursion while preserving the structure.
• How do you split a circular singly linked list into two lists where one contains odd-positioned nodes and the other contains even-positioned nodes?
• Implement a function to rotate a multilevel circular doubly linked list such that every k-th node becomes the new head while preserving the list structure.
• Write a function to flatten a multilevel circular doubly linked list where each node contains both next and sibling pointers.
• How do you detect the first common node in three linked lists where each list contains multiple forward pointers?
• Implement a function to reverse the first half of a doubly linked list while leaving the second half unchanged.
• Write a function to rearrange nodes in a circular singly linked list such that nodes with even values come before nodes with odd values.
• How do you split a circular doubly linked list into two lists where one contains nodes divisible by 2 and the other divisible by 7?