Very professional, what you would expect from a top tech company.

Thoroughly impressed by the professionalism of the engineers who conducted the interview, as well as the entire process in general.

Be enthusiastic about projects you have done, and be honest when conveying your technical knowledge and background. They recognize and appreciate that.

Make sure you can speak to anything on your resume, because they will ask.

Stack vs. Heap allocation in C/C++:

• Concept
• Keywords
• How/why to use

Review this code and tell me what's wrong? What does this code do? (in C++, C, and Python).

What are some of the differences between C#, C++, and Java? (The more you say, the better).

Questions about operator overloading in C++.

Write a function that reverses a string in constant space complexity.

Networking and threading questions (basic knowledge).

Questions about endianness.

What's your favorite language and why?

Explain a project on your resume and how did you implement XYZ?