More Problems

• Write a function to reverse the first k nodes in a circular doubly linked list.
• How do you delete the node before the last node in a circular singly linked list?
• Implement a function to count the number of even-positioned nodes in a circular singly linked list.
• Write a function to find the node at the k-th position in a doubly linked list.
• How do you reverse the second half of a singly linked list?
• Implement a function to delete every node with an odd value in a circular doubly linked list.
• Write a function to check if a circular singly linked list contains an odd number of nodes.
• How do you merge two unsorted linked lists into a sorted circular singly linked list?