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C++ Under Pressure: A Complete Interview Guide from 1,000+ Interviews

Written by the interviewer , not the candidate

This book is 100% completeLast updated on 2026-06-30

After 1,000+ interviews, I kept seeing the same gaps: engineers who use shared_ptr daily but can't explain the control block; developers who write multithreaded code without understanding the memory model they're relying on.

This book is the resource I wished existed. Free preview includes Chapter 3: OOP & Polymorphism — the chapter that eliminates more candidates than any other.

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About

About

About the Book

Most C++ interview guides teach you syntax. This one teaches you what interviewers are actually testing.

Written by a Technical Lead who has conducted 1,000+ interviews for C++ systems roles, this book covers the depth that separates candidates who get offers from those who don't — vtable layout, the memory model, lock-free data structures, undefined behaviour traps, low-latency design, and more.

13 chapters. Interviewer's perspective throughout. Every chapter ends with interview questions formatted the way they actually get asked — read the question, cover the answer, say it out loud.

Not a beginner tutorial. Not an algorithms book. The C++ knowledge that other books skip plus extra free data structures and algorithms cheat sheet.

Author

About the Author

Ahmed

Ahmed Aly is a Technical Lead with 15+ years of experience in multinational top companies building high performance scalable systems — software where a garbage collector pause is unacceptable and memory layout determines whether your solver runs in milliseconds or minutes.

He has conducted more than 1,000 technical interviews for C++ systems roles and has seen the same gaps appear again and again. This book is written from the interviewer's side of the table.

Contents

Table of Contents

  • Part 1 — Language Foundations
    • Chapter 1: Compilation & Linking
    • Chapter 2: Memory — Stack, Heap & RAII
    • Chapter 3: OOP & Polymorphism
    • Chapter 4: Move Semantics & Value Categories
    • Chapter 5: Smart Pointers
    • Chapter 6: Templates & Concepts
    • Chapter 7: const, constexpr & Type Deduction
  • Part 2 — Systems & Concurrency
    • Chapter 8: Undefined Behaviour
    • Chapter 9: Multithreading
    • Chapter 10: Memory Model & Lock-Free Programming
    • Chapter 11: Low-Latency & Performance
    • Chapter 12: OS Fundamentals
  • Part 3 — Design
    • Chapter 13: SOLID & Design Patterns
  • Appendices
    • Appendix A: 50 Must-Know Interview Q&A
    • Appendix B: Data Structures Cheat Sheet
    • Appendix C: Algorithms Cheat Sheet
    • Appendix D: Keyword Index

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