Level up your coding skills and quickly land a job. This is the best place to expand your knowledge and get prepared for your next interview.

Level up your coding skills and quickly land a job. This is the best place to expand your knowledge and get prepared for your next interview.

We now support 14 popular coding languages. At our core, LeetCode is about developers. Our powerful development tools such as Playground help you test, debug and even write your own …

LeetCode Explore is the best place for everyone to start practicing and learning on LeetCode. No matter if you are a beginner or a master, there are always new topics waiting for you to explore.

Level up your coding skills and quickly land a job. This is the best place to expand your knowledge and get prepared for your next interview.

have 2 years of experience in QA and am now looking to transition into a Java Developer role. I’ve gained a solid understanding of advanced Java concepts through self-study and project work, …

Currently, we have pretty good support for the following languages: C++, Java, Python, C, C#, JavaScript, Ruby, Swift, Go, Scala, Kotlin, Rust, MySQL, Bash. Editor Shortcuts： We support …

There is a stream of n (idKey, value) pairs arriving in an arbitrary order, where idKey is an integer between 1 and n and value is a string. No two pairs have the same id.. Design a stream that …

Level up your coding skills and quickly land a job. This is the best place to expand your knowledge and get prepared for your next interview.

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