Big-O

Big-O

Big-O is a core part of DSA. In this case file you'll learn what it is, why it matters, and how to use it in real code.

Understanding big-o well means you can read other people's DSA code with confidence, and avoid the most common beginner mistakes in this area.

Key points:

• What big-o means in the context of DSA
• A minimal example you can run or read in the playground on the right
• A common mistake to avoid when working with big-o

// DSA: Big-O
function demo() {
  console.log("Exploring Big-O in DSA");
}

demo();

Tip: Try changing a value in the code on the right and re-running it — small experiments are the fastest way to build real intuition for big-o.