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Added greater detail to LeetCode's features, history and included a sidebar with quick facts and logo. |
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{{short description|Online platform for coding interview preparation}}
[[File:Leetcode.svg|thumb|225x225px|
{| class="wikitable"
|'''Type'''
|[[Privately-held company|Private]]
|-
|'''Industry'''
|Software
|-
|'''Founder'''
|Winston Tang
|-
|'''Headquarters'''
|Palo Alto[[Mountain View, California|, California]], United States
Shanghai, China
'''LeetCode''' is an [[online discussion platform|online platform]] that provides a collection of coding challenges and interview preparation materials for software engineers and programmers. The platform offers a range of algorithmic problems, allowing users to practice their coding skills and enhance their problem-solving abilities. LeetCode has gained popularity among job seekers and coding enthusiasts as a resource for technical interviews and coding competitions.<ref>{{Cite web |last=Ansari |first=Tasmia |date=2022-11-17 |title=The Ultimate Guide to Cracking Data Science Interviews |url=https://analyticsindiamag.com/the-ultimate-guide-to-cracking-data-science-interviews/ |access-date=2023-06-10 |website=Analytics India Magazine |language=en-US}}</ref><ref>{{Cite web |last=Kolakowski |first=Nick |date=2022-12-08 |title=Which Programming Languages Are Growing? |url=https://www.dice.com/career-advice/which-programming-languages-are-growing |access-date=2023-06-10 |website=Dice Insights |language=en}}</ref>▼
|-
|'''Founded'''
|2011; 12 years ago
|-
|'''Key people'''
|Hercy Chang (CEO)
|-
|'''Number of employees'''
|100
|-
|'''Website'''
|[https://LeetCode.com LeetCode.com]
[http://Leetcode.cn Leetcode.cn]
|}
]]
▲'''LeetCode''' is an [[online discussion platform|online platform]] that
== 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 over 2500 algorithmically and user-generated questions. 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>. Users can also tag questions to facilitate searchability and provide assistance to others in finding relevant practice problems. 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 a variety of programming languages, including [[Java (programming language)|Java]], [[C++]], and [[Python (programming language)|Python]] among others.<ref>{{Cite web |last=Kaur |first=Ravjot |date=2022-07-23 |title=What is LeetCode? |url=https://medium.com/@RavjotK/what-is-leetcode-562949e0a932 |access-date=2023-06-21 |website=Medium |language=en}}</ref>Users can practice coding in their preferred language and utilize flashcards to study and reinforce their knowledge. 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. LeetCode also hosts weekly and bi-weekly contests, some of which were sponsored by companies like [[Amazon (company)|Amazon,]] [[Motorola]], and [[Bharti Airtel|Airtel]]<ref>{{Cite web |title=Contest - LeetCode |url=https://leetcode.com/contest/contest-for-motorola-testing/ |access-date=2023-06-21 |website=leetcode.com}}</ref>. Contestants have the opportunity to earn badges and "LeetCoin" rewards by successfully solving contest questions.
== History ==
LeetCode was founded by Winston Tang in 2011 as an online platform catering to the needs of software engineers and programmers seeking coding challenges and interview preparation resources.
Recognizing the rising demand, LeetCode expanded its operations to China in 2018, aiming to serve the growing tech community in the country. In 2021, LeetCode secured its first round of funding, receiving a $10 million investment from Lightspeed China Partners, infusing LeetCode with resources to support its growth and further development.<ref name=":0" />
== See also ==
* [[Competitive programming]]
* [[HackerRank]]
* [[CodeChef]]
* [[HackerEarth]]
* [[CodeFights]]
* [[Codeforces]]
* [[CodinGame]]
* [[Topcoder]]
* [[Codewars]]
== References ==
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