The process started with an on-site interview where I was asked several knowledge questions about C++ and objects. These included topics such as const situations, virtual method table behavior, polymorphism, and referencing non-virtual methods.

This initial interview also included a simple coding exercise in the style of an ACM programming contest question.

The second interview had two parts, each with a different interviewer.

The first part involved designing a stack.

The second part was a discussion about data in EXEs and memory. We covered code, constants, variables, and parameters. We also discussed endianness and how variable-argument routine (e.g., printf) calls are structured on the stack.

I was asked to design a C++ stack that could handle arbitrarily-sized data for multiple different clients.

This turned out to be simpler than it initially seemed, as the data size was fixed in advance for each client and thread-safety was not a concern.