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Cracking the Tech Interview

Rafay Abbasi

Daily blogs on system design, coding, and behavioral interviews, from the team behind Grokking courses on System Design and Coding Interviews. Real frameworks, real questions, and how AI is reshaping every round.

Platform
Substack
PricingFreemiumPublishesDaily
Issues143Founded5 months agoLast Issue2 days ago
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Artwork for Cracking the Tech Interview

Latest Issues

Before Using Binary Search, Ask These 3 Questions

What This Blog Covers

  • Three questions before choosing Binary Search

  • How to recognize ordered search spaces

  • Why safe elimination makes search possible

  • Exact matches versus boundary searches

  • Binary Search on the an...

2 days ago
4

Before Using a Heap, Ask These 3 Questions

What This Blog Covers

  • How to recognize Heap interview problems

  • Three questions to ask before coding

  • Min Heap versus Max Heap decisions

  • Heap versus sorting and linear scanning

  • Top K and priority queue examples...

3 days ago
3

The Coding Interview Pattern Decision Tree: 15 Questions to Ask Before You Code

What This Blog Covers

  • The 15 questions to ask before choosing an algorithm

  • How problem constraints point toward certain patterns

  • How to recognize Hash Maps, Two Pointers, Sliding Window, Binary Search, BFS, DFS, Backtracki...

4 days ago
7

Before Using Backtracking, Ask These 3 Questions

What This Blog Covers

  • How to recognize a backtracking problem

  • Three questions to ask before coding

  • How choices create a decision tree

  • When to stop exploring a branch

  • How to choose and undo decisions

  • A reusab...

5 days ago
6

The 7 Reasons Good Engineers Fail Coding Interviews

What This Blog Covers

  • Why strong engineers still fail interviews

  • Seven common coding interview failure modes

  • How pattern memorization can become harmful

  • Why optimization and communication both matter

  • How to recov...

6 days ago
7

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  • Rafay Abbasi

    Blogs on system design, coding, and behavioral interviews.

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