Hashmaps
Hashmaps — Overview
Hashmaps master deck on FaangDeck — the problems in order, pattern signals, how to pick the pattern, common traps, how to study it. Free pattern-first DSA…
What's inside this master deck
- The problems in order — every lesson in the section, with pattern and difficulty
- Patterns at a glance — the signal that points to each technique
- How to pick the pattern — a short signal-to-technique guide
- Traps in this section — where each near-correct solution breaks
- How to study it — order, pace and what to expect
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. 1,286 quiz questions + 1,222 flashcards. No signup, works offline.