ThisTechGirl on Instagram: "🚨 If you don’t know Time Complexity, you’re not ready for your coding interview. 💻 It’s not just about making your code work — it’s about knowing how efficiently it works when your data grows. 📈 Because the difference between a junior dev and a pro? 👉 One knows Big O Notation. 🧠 What is Time Complexity? It tells you how your code’s runtime grows as input increases. Simple: 10 records → fast ⚡ | 1 million → maybe not 😬 Here’s the quick decode ⬇️ 💥 O(1) — Constan