Big-O notation —
three code
examples: O(1),
O(n), O(n²). Why
the gap matters as
input size grows.

What Is Big-O Notation, With Real Code

Why one function melts your laptop and the other doesn't.

Prompt

Explain Big-O notation using three short code examples — O(1), O(n), and O(n²) — and explain in plain words why the difference matters as input size grows.