More Problems

• Write a function to find the sum of all nodes in a circular singly linked list.
• How do you delete the node at the kth position in a circular singly linked list?
• Implement a function to reverse the second half of a circular doubly linked list.
• Write a function to remove the middle node from a doubly linked list.
• How do you reverse the last k nodes in a circular doubly linked list?
• Write a function to count the number of nodes with even values in a doubly linked list.
• How do you insert a node at the tail of a circular doubly linked list?
• Implement a function to find the third node from the end of a singly linked list.