More Problems

• How do you find the sum of the elements in an odd-indexed linked list?
• Implement a function to reverse a doubly linked list without changing its pointers.
• Write a function to count the number of nodes in a circular doubly linked list.
• How do you swap the head and tail of a doubly linked list?
• Implement a function to reverse the data in a linked list, leaving the structure unchanged.
• Write a function to delete every node that is greater than its previous node in a linked list.
• How do you rearrange a linked list so that all nodes divisible by 3 appear at the end?
• Implement a function to find the smallest element in a doubly linked list.