Trees · Trees — DFS, BFS, Tree DP
Trees — Overview
Trees master deck on FaangDeck — pattern overview, sub-patterns, templates, recognition checklist, reading order. Free pattern-first DSA prep.
What's inside this master deck
- Pattern identification — three signals that point to this technique
- Sub-pattern map — when each variant applies
- Canonical templates — the Python skeletons you'll adapt
- Problem checklist — the deck order with difficulty + estimated time
- Quick reference — complexity, trade-offs, common traps in one place
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.