I received an email from HR and scheduled a technical phone interview for one week from now.

First, I was asked a few behavioral questions, such as why I was interested in this company and how I learned about this position. Then, I was asked some details about my CV. After that came C++ questions, including the copy constructor and assignment operator. I was also required to write code and explain it to the interviewer.

The details about the copy constructor, I wasn't well prepared. You have to write the code on paper and read it out.