The interview will focus on testing your understanding of C++ basics and linear algebra, with an emphasis on explaining your projects in detail. Given your solid background in these areas, the interview should be straightforward, and you're confident that you can handle the technical questions and project discussions effectively. You're preparing by reviewing key concepts and ensuring that you can clearly articulate your past work, particularly your experience in computational geometry and algorithm development. With a structured approach and your knowledge, you believe the interview will be manageable and can be successfully cleared.