More Problems

• Write a function to count the number of prime nodes in a circular doubly linked list.
• How do you delete the node before a given node in a circular singly linked list?
• Implement a function to reverse the nodes in groups of three in a doubly linked list.
• Write a function to find the sum of all odd nodes in a singly linked list.
• How do you insert a node at the middle of a circular singly linked list?
• Implement a function to merge two sorted doubly linked lists into one sorted linked list.
• Write a function to check if a circular singly linked list is sorted in descending order.
• How do you delete the second node in a circular singly linked list?