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Nail the Toughest C++ Interview Questions

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Top C++ Interview Questions

The smart way to crack tough tech questions in C++ interviews isn’t to practice hundreds of questions, but to identify common patterns amongst the questions. This way, you can solve even those questions you have never seen before. This is what we teach in our programs. 

However, just to give you a good idea of what kind of questions to expect, we have listed down some of the common questions asked at C++ technical interviews.

Technical Questions:

  • Demonstrate how to reverse a linked list.
  • Find the formula to solve an nXn Magic Square problem.
  • Search a max value in an unsorted array in better than O(n).
  • Find out the fastest way to locate the largest element in a circular sorted array.
  • How do you convert a max heap to min heap?
  • How will you implement three stacks with one array?
  • Can you design a data package transfer from London to Tokyo?
  • Can you write code to implement your own hashtable in C++ or Java?
  • Do you like coding or designing applications?
  • Given a 2D binary filled with 0’s and 1’s, find the largest rectangle containing all ones and return its area. Bonus if you can solve it in O)n^2) or less.

Behavioral Questions:

  • How did you go about accomplishing a specific project?
  • What is a technical challenge you overcame?
  • What is your favorite Google product? How would you improve it?
  • How did you deal with a group conflict?
  • Tell me about a situation when while working on a project you had to learn something you didn’t know.
  • How do you sort priorities when engaged in multitasking?
  • Do you prefer earning or learning?
  • Tell me about a time when you effectively managed your team to achieve a goal. What did your approach look like?
  • Tell me about a time you failed. How did you deal with this situation?
  • Tell me about a time when you faced a problem that had multiple possible solutions.

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Instructors, Coaches & Interviewers
from Top Tech Companies




Highest compensation received
by our Alum
Manoj Krishnan
Omkar Deshpande
Yuval Scharf

Expert Led

Our Instructors are Tech Leads and Hiring Managers at Coveted Tech Companies
Manoj Krishnan
FAANG Company, VMWare
Ph.D, Washington State University
Manoj Krishnan

Expert Led

Our Instructors are Tech Leads and Hiring Managers at Coveted Tech Companies
Omkar Deshpande
Interview Kickstart, Kosmix (acquired)
Ph.D, Stanford University
Omkar Deshpande

Expert Led

Our Instructors are Tech Leads and Hiring Managers at Coveted Tech Companies
Yuval Scharf
Google, Box
M.Sc, Technion - Israel Institute of Technology
Yuval Scharf

Interviewing is a Skill

Top tech companies get thousands of applicants and deliberately make it hard for you to get in

  • Are expected to prepare for the interview.
  • Are tested on core CS Data Structures and Algorithms rather than your own domain.
  • Have to come up with solutions to complex problems in a short span of time.
  • Are asked to articulate your assumptions, your decisions and your solutions.
  • Have to code on a whiteboard, an unfamiliar coding platform, on a sheet of paper or a shared doc.

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Neelesh Tendulkar
Each instructor-led session was packed with information and there were lots of problems to practice. The course was intense, but it was a great use of my time.
Neelesh Tendulkar
Google, Intuit
Swapnil Tailor
Interview Kickstart is like a fitness coach which guides to achieve your dream job. It can help you identify your weak points and also suggest steps to improve them.
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Flavia Vela
The classes, workshops, quizzes, practice problems, and mock interviews provided me with the knowledge, tools, and the feedback that I was missing. Interview Kickstart showed me how to prepare for success.
Flavia Vela
LinkedIn, Amazon
Michael Huston
I can't think of a better recipe for tech interview success than combining the Interview Kickstart program with hard work. The program made my prep much more effective and eliminated surprises from the interview process.
Michael Huston
Databricks, Amazon, Airbnb
Kushal L
IK provides a nice, structured way to prepare for interviews while having a full-time job. Mock interviews helped me get better and the problem sets alleviated the need for me to source problems externally.
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“The course was very intense. During the two months it lasted, I would easily work 2+ hours every day, weekends included, on the homework problems. This course is just practice, practice, practice. And it works! Fast forward a couple of weeks, and I accepted my offer with Facebook.”
Davide Testuggine
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Solve Unseen Problems

Solve Unseen Problems

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