More Problems

• Implement a function to insert a node at the head of a circular doubly linked list.
• Write a function to delete all nodes with even values in a doubly linked list.
• How do you find the sum of elements in a circular doubly linked list?
• Implement a function to remove the nth node from the end of a circular linked list.
• Write a function to swap the data between two nodes in a doubly linked list.
• How do you rotate a circular doubly linked list by k positions?
• Implement a function to delete the middle node in a circular singly linked list.
• Write a function to find the length of a circular doubly linked list.