LeetCode: Difference between revisions

Revision as of 19:43, 8 February 2024

Revision as of 12:49, 20 February 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}} EachIn problemtotal, categoryLeetCode containsoffers 3045 questions atacross its three levels of difficulty; therewith are771 767questions categorized as easy questions, 15941599 as medium questions, and 671675 as hard questions available on LeetCode.<ref>{{Cite web |title=LeetCode - The World's Leading Online Programming Learning Platform |url=https://leetcode.com/ |access-date=2023-10-10 |website=leetcode.com}}</ref>{{Better source needed|date=October 2023}}

== History ==