83. Remove Duplicates From Sorted List

Linked List

2095. Delete The Middle Node Of A Linked List

Two Pointers Linked List

21. Merge Two Sorted Lists

Linked List

19. Remove Nth Node From End Of List

Linked List

2. Add Two Numbers

Linked List

DoublyLinkedList Design (with bidirectional search to perform faster)

Node.next - Value - Node.prev Actions: addAtHead, addAtTail, get, deleteAt, addAtIndex

Linked List