More Problems

• Implement a function to remove all nodes with duplicate values in a doubly linked list.
• Write a function to reverse the last n nodes in a linked list.
• How do you insert a node in the middle of a circular doubly linked list?
• Implement a function to delete every node that contains an even value in a circular linked list.
• Write a function to swap the first and last nodes of a doubly linked list.
• How do you delete the node before a given node in a doubly linked list?
• Implement a function to insert a node at the k-th position in a sorted linked list.
• Write a function to check if a doubly linked list has an even number of nodes.