- https://www.youtube.com/watch?v=F8AbOfQwl1c
- Fast and Slow Pointers https://medium.com/@arifimran5/fast-and-slow-pointer-pattern-in-linked-list-43647869ac99
- Implement Linked List
- https://leetcode.com/problems/reverse-linked-list/
- https://leetcode.com/problems/merge-two-sorted-lists/
- https://leetcode.com/problems/reorder-list/
- https://leetcode.com/problems/remove-nth-node-from-end-of-list/
- https://leetcode.com/problems/copy-list-with-random-pointer/
- https://leetcode.com/problems/add-two-numbers/
- https://leetcode.com/problems/linked-list-cycle/
- https://leetcode.com/problems/find-the-duplicate-number/
- https://leetcode.com/problems/lru-cache/
- https://leetcode.com/problems/merge-k-sorted-lists/
- https://leetcode.com/problems/reverse-nodes-in-k-group/