22 DSA Patterns for FAANG

Master Coding Interviews with Pattern-Based Thinking

After solving 700+ LeetCode problems and interviewing at top tech companies, I found that most coding questions come down to a small set of repeatable patterns.

This interactive guide teaches you 22 core DSA patterns that appear across FAANG and top product company interviews, so you recognize solutions faster instead of memorizing hundreds of problems.

What's Inside

✅ 22 DSA patterns with explanations, mental models & pseudocode templates

✅ Time & space complexity breakdowns

✅ 300+ curated LeetCode problems mapped to each pattern

✅ Company-wise tag: Google, Amazon, Meta, Microsoft, Apple & more

✅ Fully searchable interactive HTML guide

Patterns Covered

Sliding Window · Two Pointers · Fast & Slow Pointers · Prefix Sum · Binary Search · BFS & DFS · Backtracking · Trees · Heaps · Monotonic Stack · Dynamic Programming · Graphs · and more

Who Is This For?

Perfect for CS students, FAANG aspirants, and anyone who's been grinding LeetCode but still freezing up in interviews.

Stop memorizing. Start recognizing.