More Problems

• Implement a function to move the last node to the front of a linked list.
• How do you insert a node in a circular linked list in sorted order?
• Write a function to reverse every k nodes of a linked list.
• How do you merge a doubly linked list into a circular linked list?
• Write a function to convert a binary tree to a doubly linked list.
• Implement a function to delete the middle node in a linked list.
• How do you insert a node in a doubly linked list before a given node?
• Write a function to check if a linked list is empty.