LeetCode: Difference between revisions

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I added contests to the features section. I am unsure of how to cite this information, as it is clear from going to the website itself. You can see this information on the page of each contest. If anyone could help improve what I wrote by suggesting a source, I would greatly appreciate.
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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/> 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 contests are competitive events that provide a platform for coders around the world to test and enhance their algorithmic skills. LeetCode hosts weekly and bi-weeklybiweekly contests, each having 4 problems to solve in 90 minutes. After you participate in a contest for the first time, you get assigned a ranking, which can be found in the profile. This rating is updated within 5 working days after the contest.
 
LeetCode supports multiple programming languages, including [[Java (programming language)|Java]], [[Python (programming language)|Python]], [[JavaScript]], and [[C (programming language)|C]].<ref>{{Cite book |last1=Nguyen |first1=Nhan |last2=Nadi |first2=Sarah |title=Proceedings of the 19th International Conference on Mining Software Repositories |chapter=An empirical evaluation of GitHub copilot's code suggestions |date=2022-10-17 |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.<ref name=dummies/>