More Problems

• Write a function to detect and merge two linked lists where both lists contain multiple cycles and backward pointers.
• How do you reverse every k-th node in a multilevel doubly linked list where nodes have child and sibling pointers?
• Write a function to rotate a circular singly linked list such that the node with the lowest value becomes the new head.
• How do you merge two sorted doubly linked lists where each node contains a random pointer to any other node in the list?
• Implement a function to reverse the first and last k nodes in a circular doubly linked list while leaving the middle unchanged.
• Write a function to flatten a multilevel circular doubly linked list where each node has multiple child pointers.
• How do you split a doubly linked list into k sublists where each sublist has nodes with prime values?
• Implement a function to detect and remove a loop in a doubly linked list where each node has a forward and a backward pointer.