Foundations
Big-O: Time & Space
Big-O: Time & Space on FaangDeck — foundational DSA concept explained from first principles. Worked examples, common pitfalls, quick reference. Free, no…
What's inside this concept lesson
- From first principles — the concept explained without assuming prior CS
- Worked examples — step-by-step walkthroughs that build intuition
- Common pitfalls — the misconceptions beginners get stuck on
- When you'll use it — where this concept shows up in later problem patterns
- Quick reference — the cheat sheet you'll come back to
About FaangDeck: a free, pattern-first DSA curriculum for FAANG interview prep. 217 visual lessons across 19 topics, organised into a 6-phase learning path. Covers Blind 75, NeetCode 150, and Grind 75. 1,503 quiz questions + 1,052 flashcards. No signup, works offline.