More Problems

• Write a function to rotate a circular doubly linked list by n positions.
• How do you find the sum of all nodes in a doubly linked list?
• Implement a function to merge two sorted linked lists into one doubly linked list.
• Write a function to remove the first occurrence of a value in a doubly linked list.
• How do you remove every node that has an even value in a circular singly linked list?
• Implement a function to add two numbers represented by linked lists (digits stored in reverse order).
• Write a function to reverse the first half of a doubly linked list.
• How do you check if a singly linked list contains only unique values?