More Problems

• How do you find the index of a given node in a doubly linked list?
• Implement a function to merge two circular singly linked lists, removing duplicates.
• Write a function to insert a node at the tail of a circular doubly linked list.
• How do you count the occurrences of a given value in a circular doubly linked list?
• Implement a function to find the middle node of a circular doubly linked list.
• Write a function to check if a circular singly linked list is empty.
• How do you remove the first node from a circular doubly linked list?
• Implement a function to insert a node at the kth position in a circular doubly linked list.