Getting Started 🚀
Welcome to the DSA-30 challenge! You’re about to embark on a journey that will transform your coding skills from “I think I know array” to “I can optimize that graph traversal in my sleep”.

How to use this guide
This isn’t your typical textbook. We focus on patterns, visuals, and intuitive understanding.
- Don’t Rush: Each day is designed to be digested fully. Don’t skip ahead until you truly get the concept.
- Code Along: Reading is silver, coding is gold. Open your IDE and type out the examples.
- Visualize It: Use the GIFs and diagrams. If you can draw it, you can code it.
Prerequisites
You don’t need to be a wizard, but you should know:
- Basic programming syntax (Java is used here, but the logic is universal).
- How to run a “Hello World” program.
- A willingness to debug (because bugs will happen).
Your Toolkit
- IDE: VS Code, IntelliJ, or even Notepad if you’re feeling dangerous.
- Coffee/Tea: Essential fuel for debugging sessions.
- Persistence: The only algorithm that guarantees success.