More Problems

• Implement a function to check if a circular doubly linked list contains any repeated values.
• Write a function to rearrange a singly linked list such that nodes with even values appear before nodes with odd values.
• How do you remove duplicate nodes from an unsorted doubly linked list without using extra space?
• Implement a function to find the middle node of a circular singly linked list using the two-pointer technique.
• Write a function to sort a circular doubly linked list in ascending order using merge sort.
• How do you detect and remove a loop in a circular singly linked list without using extra space?
• Implement a function to split a singly linked list into two linked lists, one with odd values and one with even values.
• Write a function to rotate a circular doubly linked list by k positions.