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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 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 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/> 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>{{Better
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