tl;dr Stop asking this fine young lady math puzzles to determine her programming abilities. She is good at solving your seemingly pointless math puzzle, becaus

tl;dr Stop asking this fine young lady math puzzles to determine her programming abilities. She is good at solving your seemingly pointless math puzzle, because she was practicing problem-solving since she was ten. But she is not anywhere near as good at programming, yet - which caused her problems at the actual jobs she had to do after she was hired.