Linked list operations - https://leetcode.com/problems/design-linked-list/description/

Solution - https://leetcode.com/problems/design-linked-list/submissions/1855215529

Merge sorted list - https://leetcode.com/problems/merge-two-sorted-lists/description/

Solution - https://leetcode.com/problems/merge-two-sorted-lists/submissions/1254886336

Reverse linked list - https://leetcode.com/problems/reverse-linked-list/description/

Solution - https://leetcode.com/problems/reverse-linked-list/submissions/1855095261