More Problems

• 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?
• Implement a function to find the intersection of two doubly linked lists.
• Write a function to delete all nodes that are divisible by 5 in a linked list.
• How do you rearrange the nodes of a linked list so that they are in alternating ascending and descending order?
• Implement a function to delete all nodes with values less than a given threshold in a circular doubly linked list.
• Write a function to check if a singly linked list is circular.