This is a classic example of what we call a blogrammer and self-serving bias. Classic CS (Algorithms and Data Structures and basics of FP) is the must. The que

This is a classic example of what we call a blogrammer and self-serving bias. Classic CS (Algorithms and Data Structures and basics of FP) is the must. The questions about subtleties of C++ syntax is, perhaps, less reasonable (but they are aimed to catch an experienced dev instead of a self-proclaimed wizard) but ignorance of the basic CS is a major red flag.