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Leetcode

Leetcode solutions

Install / Use

/learn @neetcode-gh/Leetcode
About this skill

Quality Score

0/100

Supported Platforms

Universal

README

Leetcode solutions for 🚀 NeetCode.io

This repo hosts the solutions found on NeetCode.io including the solutions shown on the NeetCode YouTube channel. The site will periodically be updated with new solutions from this repo!

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Solutions from these languages will be linked from NeetCode.io:

Python, Java, JavaScript, C++, Go, Swift, C#, TypeScript, Rust, Kotlin, Ruby, C, Scala and Dart

Solutions are also welcome for any other supported language on leetcode.com!

Contributing

Please read the contributing guidlines before opening a PR

To contribute, please fork this repo and open a PR adding a missing solution from the supported languages.

If you would like to have collaborator permissions on the repo to merge your own PRs or review others' PRs please let me know.

Credits

<a href="https://github.com/neetcode-gh/leetcode/graphs/contributors"> <img src="https://contrib.rocks/image?repo=neetcode-gh/leetcode&columns=24&max=1000"/> </a>

Missing Solutions

Arrays & Hashing

<sub>Problem</sub> | <sub>articles</sub> | <sub>C</sub> | <sub>C++</sub> | <sub>C#</sub> | <sub>Dart</sub> | <sub>GO</sub> | <sub>hints</sub> | <sub>Java</sub> | <sub>JS</sub> | <sub>Kotlin</sub> | <sub>Python</sub> | <sub>Ruby</sub> | <sub>Rust</sub> | <sub>Scala</sub> | <sub>Swift</sub> | <sub>TS</sub> ---- | ---- | ---- | ---- | ---- | ---- | ---- | ---- | ---- | ---- | ---- | ---- | ---- | ---- | ---- | ---- | ---- <sub>0217 - Contains Duplicate</sub> | <sub><div align='center'></div></sub> | <sub><div align='center'>✔️</div></sub> | <sub><div align='center'>✔️</div></sub> | <sub><div align='center'>✔️</div></sub> | <sub><div align='center'>✔️</div></sub> | <sub><div align='center'>✔️</div></sub> | <sub><div align='center'></div></sub> | <sub><div align='center'>✔️</div></sub> | <sub><div align='center'>✔️</div></sub> | <sub><div align='center'>✔️</div></sub> | <sub><div align='center'>✔️</div></sub> | <sub><div align='center'>✔️</div></sub> | <sub><div align='center'>✔️</div></sub> | <sub><div align='center'>✔️</div></sub> | <sub><div align='center'>✔️</div></sub> | <sub><div align='center'>✔️</div></sub> <sub>0242 - Valid Anagram</sub> | <sub><div align='center'></div></sub> | <sub><div align='center'>✔️</div></sub> | <sub><div align='center'>✔️</div></sub> | <sub><div align='center'>✔️</div></sub> | <sub><div align='center'>✔️</div></sub> | <sub><div align='center'>✔️</div></sub> | <sub><div align='center'></div></sub> | <sub><div align='center'>✔️</div></sub> | <sub><div align='center'>✔️</div></sub> | <sub><div align='center'>✔️</div></sub> | <sub><div align='center'>✔️</div></sub> | <sub><div align='center'>✔️</div></sub> | <sub><div align='center'>✔️</div></sub> | <sub><div align='center'>✔️</div></sub> | <sub><div align='center'>✔️</div></sub> | <sub><div align='center'>✔️</div></sub> <sub>1929 - Concatenation of Array</sub> | <sub><div align='center'></div></sub> | <sub><div align='center'>✔️</div></sub> | <sub><div align='center'>✔️</div></sub> | <sub><div align='center'>✔️</div></sub> | <sub><div align='center'>✔️</div></sub> | <sub><div align='center'>✔️</div></sub> | <sub><div align='center'></div></sub> | <sub><div align='center'>✔️</div></sub> | <sub><div align='center'>✔️</div></sub> | <sub><div align='center'>✔️</div></sub> | <sub><div align='center'>✔️</div></sub> | <sub><div align='center'>✔️</div></sub> | <sub><div align='center'>✔️</div></sub> | <sub><div align='center'>✔️</div></sub> | <sub><div align='center'>✔️</div></sub> | <sub><div align='center'>✔️</div></sub> <sub>1299 - Replace Elements With Greatest Element On Right Side</sub> | <sub><div align='center'></div></sub> | <sub><div align='center'>✔️</div></sub> | <sub><div align='center'>✔️</div></sub> | <sub><div align='center'>✔️</div></sub> | <sub><div align='center'>✔️</div></sub> | <sub><div align='center'>✔️</div></sub> | <sub><div align='center'></div></sub> | <sub><div align='center'>✔️</div></sub> | <sub><div align='center'>✔️</div></sub> | <sub><div align='center'>✔️</div></sub> | <sub><div align='center'>✔️</div></sub> | <sub><div align='center'>✔️</div></sub> | <sub><div align='center'>✔️</div></sub> | <sub><div align='center'></div></sub> | <sub><div align='center'>✔️</div></sub> | <sub><div align='center'>✔️</div></sub> <sub>0392 - Is Subsequence</sub> | <sub><div align='center'></div></sub> | <sub><div align='center'>✔️</div></sub> | <sub><div align='center'>✔️</div></sub> | <sub><div align='center'>✔️</div></sub> | <sub><div align='center'>✔️</div></sub> | <sub><div align='center'>✔️</div></sub> | <sub><div align='center'></div></sub> | <sub><div align='center'>✔️</div></sub> | <sub><div align='center'>✔️</div></sub> | <sub><div align='center'>✔️</div></sub> | <sub><div align='center'>✔️</div></sub> | <sub><div align='center'>✔️</div></sub> | <sub><div align='center'>✔️</div></sub> | <sub><div align='center'></div></sub> | <sub><div align='center'>✔️</div></sub> | <sub><div align='center'>✔️</div></sub> <sub>0058 - Length of Last Word</sub> | <sub><div align='center'></div></sub> | <sub><div align='center'>✔️</div></sub> | <sub><div align='center'>✔️</div></sub> | <sub><div align='center'>✔️</div></sub> | <sub><div align='center'>✔️</div></sub> | <sub><div align='center'>✔️</div></sub> | <sub><div align='center'></div></sub> | <sub><div align='center'>✔️</div></sub> | <sub><div align='center'>✔️</div></sub> | <sub><div align='center'>✔️</div></sub> | <sub><div align='center'>✔️</div></sub> | <sub><div align='center'>✔️</div></sub> | <sub><div align='center'>✔️</div></sub> | <sub><div align='center'>✔️</div></sub> | <sub><div align='center'>✔️</div></sub> | <sub><div align='center'>✔️</div></sub> <sub>0001 - Two Sum</sub> | <sub><div align='center'></div></sub> | <sub><div align='center'>✔️</div></sub> | <sub><div align='center'>✔️

View on GitHub
GitHub Stars6.3k
CategoryDevelopment
Updated2h ago
Forks2.5k

Languages

JavaScript

Security Score

90/100

Audited on Mar 27, 2026

No findings