🎯 LeetCode Random Problem Picker

A Chrome extension that helps you pick random problems from your LeetCode study plans and problem lists, with an option to filter for unsolved problems only.

✨ Features

• Random Problem Selection - Pick a random problem from any LeetCode page with problem lists
• Unsolved Filter - Toggle to show only unsolved problems
• Smart Detection - Automatically detects both:
  • ✅ Green checkmarks (solved in current study plan)
  • ✅ Gray checkmarks (solved elsewhere)
• Clean UI - Simple, minimal popup interface
• Quick Access - One-click random problem selection

🚀 Installation

From Source

1. Clone this repository or download the ZIP file

   git clone https://github.com/TanmayTiwarii/Leetcode_random_problem_extension.git

2. Open Chrome and navigate to chrome://extensions/

3. Enable Developer mode (toggle in top right corner)

4. Click Load unpacked

5. Select the extension folder

6. The extension is now installed! 🎉

📖 How to Use

1. Navigate to any LeetCode page with a problem list (e.g., study plans, problem sets)

2. Click on the extension icon in your Chrome toolbar

3. (Optional) Check "Unsolved Only" to filter for unsolved problems

4. Click "Pick Random"

5. A random problem will open in a new tab!

🛠️ Technical Details

Built With

• Vanilla JavaScript
• Chrome Extension Manifest V3
• Chrome Scripting API

Files Structure

├── manifest.json       # Extension configuration
├── popup.html         # Extension popup UI
├── popup.js          # Popup logic
├── background.js     # Background service worker
├── content.js        # Content script (empty placeholder)
└── README.md         # Documentation

🔧 How It Works

1. Problem Detection: Scans the current page for all LeetCode problem links
2. Solved Status Check: Identifies checkmark SVGs to determine solved problems
3. Filtering: Excludes solved problems if "Unsolved Only" is enabled
4. Random Selection: Picks a random problem from the filtered list
5. Navigation: Opens the selected problem in a new tab

🤝 Contributing

Contributions are welcome! Feel free to:

1. Fork the repository
2. Create a feature branch (git checkout -b feature/AmazingFeature)
3. Commit your changes (git commit -m 'Add some AmazingFeature')
4. Push to the branch (git push origin feature/AmazingFeature)
5. Open a Pull Request

👨‍💻 Author

Tanmay Tiwari

• GitHub: @TanmayTiwarii

🤝 Contributors

Special thanks to:

• Priyanshu Raj (@priyanshuraj27) - Added the "Unsolved Only" filter feature

🙏 Acknowledgments

• Thanks to LeetCode for providing an excellent platform for coding practice
• Inspired by the need to randomly practice unsolved problems

📧 Support

If you have any questions or run into issues, please open an issue on GitHub.

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Made with ❤️ for LeetCode enthusiasts