More Problems

• Implement a function to flatten a circular doubly linked list where each node has a child pointer.
• Write a function to remove duplicate nodes from an unsorted singly linked list without using extra memory.
• How do you rearrange nodes in a doubly linked list such that all positive values come before negative values?
• Implement a function to reverse the second half of a circular singly linked list.
• Write a function to merge k sorted singly linked lists into one sorted doubly linked list.
• How do you rotate a circular doubly linked list to the right by k positions?
• Implement a function to remove every alternate node from a singly linked list without using extra space.
• Write a function to reverse every second node in a circular doubly linked list using recursion.