I think these questions are good to choose from when you have an obviously talented candidate and you are looking for an advanced question that probes the depth of someone’s knowledge. Most interviews I’ve conducted would never get that far. When I interviewed C++ programmers, people would struggle through things like when do destructors get called and how to iterate through every other array element. R-value references and move semantics? LOL. Let’s start with the difference between a set and a list and see if we get through that!

99% of the candidate flow I’ve seen would never have gotten any of these questions right.