LeetCode: Difference between revisions

Revision as of 17:18, 16 August 2023

Revision as of 11:32, 17 August 2023

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| type = [[Privately held company|Private]]

| industry = Software

| founder = Winston Tang{{Citation needed|date=August 2023}}

| key_people = Hercy Chang (CEO){{Citation needed|date=August 2023}}

| website = https://leetcode.com/

}}

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== Features ==

LeetCode offers both free and premium access options. While free users have access to a limited number of questions, premium users gain access to additional questions previously used in interviews at large tech companies.<ref name=nytimes2023/> These questions are categorized into easy, medium, and hard difficulty levels, allowing users to select challenges based on their proficiency.<ref>{{Cite web |title=LeetCode - The World's Leading Online Programming Learning Platform |url=https://leetcode.com/ |access-date=2023-06-21 |website=leetcode.com}}</ref>{{Better source needed|date=August 2023}} The performance of users' solutions is evaluated based on response speed and solution efficiency, and is ranked against other submissions in the LeetCode database.<ref>{{Cite web |last=Xing |first=Jessica |title=Here's what job seekers need to know about LeetCode, the coding-skills platform millions of developers use to ace the notoriously difficult technical interviews at firms such as Apple, Amazon, and Google |url=https://www.businessinsider.com/leetcode-coding-test-apple-amazon-google-technical-interview-prep-job-2021-11 |access-date=2023-06-21 |website=Business Insider |language=en-US}}</ref>

LeetCode supports multiple programming languages, including [[Java (programming language)|Java]], [[Python (programming language)|Python]], [[JavaScript]], and [[C (programming language)|C]].<ref>{{Cite journal |last=Nguyen |first=Nhan |last2=Nadi |first2=Sarah |date=2022-10-17 |title=An empirical evaluation of GitHub copilot's code suggestions |url=https://doi.org/10.1145/3524842.3528470 |journal=Proceedings of the 19th International Conference on Mining Software Repositories |series=MSR '22 |___location=New York, NY, USA |publisher=Association for Computing Machinery |pages=1–5 |doi=10.1145/3524842.3528470 |isbn=978-1-4503-9303-4 |quote=LeetCode questions come with test cases in various programming languages, ... (Python, Java, JavaScript, and C)|doi-access=free }}</ref> The platform features forums where users can engage in discussions related to challenging problems, the interview process, and share their interview experiences for the benefit of the community.<ref name=dummies/>

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== History ==

LeetCode was founded by Winston Tang in 2011.{{Citation needed|date=August 2023}} LeetCode was founded in [[Silicon Valley]].<ref>{{Cite book |last=吴江编著 |url=https://books.google.com/books?id=ENZqEAAAQBAJ&pg=PT9#v=onepage&q&f=false |title=高效制胜：程序员面试典型题解 |date=2021-07-01 |publisher=Beijing Book Co. Inc. |isbn=978-7-115-55198-6 |language=zh}}</ref>

LeetCode expanded its operations to China in 2018 in response to surging demand.<ref name=yicai>{{Cite web |first=Liao |last= Shumin |title=IT Job Interview Prepper LeetCode Pockets USD10 Million From Lightspeed China |url=https://www.yicaiglobal.com/news/it-job-interview-prepper-leetcode-pockets-usd10-million-from-lightspeed-china |access-date=2023-08-16 |website=www.yicaiglobal.com |language=en}}</ref> In 2021, LeetCode secured its first round of funding, receiving a $10 million investment from [[Lightspeed China Partners]].<ref name=yicai/>