More Problems

• How do you merge two sorted doubly linked lists where each node contains a next pointer and a child pointer using quicksort?
• Implement a function to reverse every k-th node in a multilevel circular doubly linked list while preserving the structure of the list.
• Write a function to flatten a circular singly linked list where each node contains a pointer to both a sibling and child linked list.
• How do you rearrange nodes in a circular doubly linked list such that nodes with odd-indexed positions come before even-indexed positions?
• Implement a function to split a sorted doubly linked list into two lists where one list contains nodes divisible by 2 and the other divisible by 3.
• Write a function to reverse every alternate node in a multilevel singly linked list without recursion while preserving the structure.
• How do you detect and remove multiple loops in a multilevel circular singly linked list where nodes have both next and child 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.