LeetCode: Difference between revisions

Revision as of 19:03, 20 July 2024

Revision as of 14:30, 31 July 2024

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== Types of problems ==

Every question on LeetCode has a particular category or tag. Some of the most common tags include [[Array_(data_structure)|arrays]], [[String_(computer_science)|strings]], [[Pointer_(computer_programming)|two pointer]]s, [[Stack_(abstract_data_type)|stack]]s, [[binary search]], sliding windows, [[linked list]]s, [[Tree_(data_structure)|trees]], [[trie]]s, [[backtracking]], [[Heap_(data_structure)|heap]]s, [[priority queue]]s, [[Graph_(abstract_data_type)|graph]]s, [[Breadth-first_search|breadth-first search]], [[Depth-first_search|depth-first search]], [[dynamic programming]], [[greedy algorithm]]s, [[bit manipulation]], [[Database|database problems]], and math.<ref>{{Cite web |title=NeetCode.io |url=https://neetcode.io/roadmap |access-date=2023-10-10 |website=neetcode.io}}</ref>{{Better source needed|date=October 2023}} In total, LeetCode offers 31993236 questions across its three levels of difficulty; with 801 questions categorized as easy, 1679 as medium, and 713 as hard.<ref name="LeetCodeWebsite" />{{Better source needed|date=June 2024}}

== History ==