Top 50 FAANG DSA Interview Questions

This resource contains the Top 50 SDE interview questions that are repeatedly asked across FAANG, product startups, and top tech companies.

Unlike random question lists, this material is:

Carefully curated – only high-frequency, high-impact problems

Professionally formatted – clean structure, consistent headings, examples, and spacing

Interview-focused – optimized for quick revision before interviews

Company-agnostic – useful for FAANG, MAANG, startups, and mid-tier product firms

What you’ll get:

1. A well-structured Word document (easy to edit & revise)
2. 50 handpicked DSA + Core SDE problems
3. Covers Arrays, Strings, DP, Trees, Graphs, Greedy, Sliding Window, Stack, Queue
4. Saves dozens of hours of searching and filtering questions online

Who this is for:

1. Final-year students preparing for placements
2. Working professionals switching to product-based roles
3. Anyone targeting SDE-1 / SDE-2 interviews
4. Candidates who want quality over quantity

What this is NOT:

Not random LeetCode dumps

Not beginner theory notes

Not copied blog content

This is a battle-tested interview checklist, if you master these 50 questions, you will recognize patterns in most real interviews.