More Problems

• Implement a function to find the node at the middle of a circular doubly linked list.
• Write a function to reverse the first n nodes in a circular doubly linked list using an iterative approach.
• How do you remove nodes from a singly linked list whose sum of values equals a given target using recursion?
• Implement a function to split a circular singly linked list into two separate linked lists based on even and odd values.
• Write a function to rotate a doubly linked list right by k positions without using recursion.
• How do you reverse nodes between two given positions m and n in a doubly linked list?
• Implement a function to check if two circular doubly linked lists are identical.
• Write a function to rearrange a singly linked list such that all negative numbers appear before non-negative numbers.