LeetCode Solutions in Multiple Languages

Clean, well-commented solutions for LeetCode problems #1–4000, written in Python, C++, JavaScript, TypeScript, and SQL.

LeetCode Stats

What You'll Find Here

• Wide Range of Problems: Our collection includes an extensive range of LeetCode problems, covering various topics and difficulty levels – from Easy to Hard.
• Multi-Language Support: We offer solutions in several programming languages, including Python, C++, JavaScript, SQL, and TypeScript, catering to a diverse coding community.
• Organized and Accessible: Each solution is meticulously organized by difficulty and language, making it easy to navigate and find what you need.
• In-Depth Explanations: You'll find README files in each problem folder with detailed explanations of the problem, the approach taken, and a thorough walkthrough of the solution.

Folder Structure

leetcode-solution/
│
├── Python/
│   ├── Easy/
│   ├── Medium/
│   └── Hard/
├── C++/
├── JavaScript/
├── TypeScript/
├── SQL/
│
├── Question_List_0001_1000.md
├── Question_List_1001_2000.md
├── Question_List_2001_3000.md
└── Question_List_3001_4000.md

Question List

• Problem 0001 ~ 1000

• Problem 1001 ~ 2000

• Problem 2001 ~ 3000

• Problem 3001 ~ 4000

Rules

The solutions are organized as follows:

• Difficulty: Problems are categorized into Easy, Medium, and Hard.
• Languages: Solutions are available in multiple programming languages, including Python, C++, JavaScript, SQL, and TypeScript.
• Problem Titles: Each problem is named after its LeetCode title.

How to Use

1. Clone the repository:

git clone https://github.com/hogan.tech/leetcode-solutions.git
cd leetcode-solution

2. Choose a Problem:

Browse the folders to find the LeetCode problem you want to solve.

3. Select a Language:

Inside each problem folder, you'll find solutions in various programming languages. Choose the language you prefer.

4. Read the ReadMe:

Each problem folder contains a README file with a problem description, approach, and code explanation. Read this to understand the solution.

5. Explore the Code:

Open the code file to view the implementation. Study the code and adapt it as needed for your use case.

6. Run the Code:

You can run the code on your local machine to test and modify it as needed.

7. Contribute:

If you have a better solution or want to contribute in any way, feel free to submit a pull request.

8. Share Your Feedback:

Welcome feedback and suggestions. If you have any ideas to improve the solutions or find any errors, please let me know.

9. Happy coding!

By following these steps, users can easily navigate and utilize your LeetCode solutions repository for their coding needs.

Contributing

We love new solutions & optimizations!

1. Fork → Branch (feat/add-problem-1234) → Commit → PR
2. Follow existing folder / naming conventions
3. Add a short explanation (README or comments)
4. Tag your PR with the language label

Support

If this project helped you:

Star this repository! It helps others discover the repo and keeps the project growing.

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Feedback / Questions → open an Issue or reach out on LinkedIn

LeetCode Topics

Backtracking

0077-combinations

Array

3581-the-two-sneaky-numbers-of-digitville

Hash Table

3581-the-two-sneaky-numbers-of-digitville

Math

3581-the-two-sneaky-numbers-of-digitville