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lang-cpp
#include "stdafx.h"? You need the other three, but you can definitely do withoutstdafx.h. Oh, andmainis supposed to return an integer.mainis a special case and may have thereturn 0;omitted resulting in the same effect as if you had put it there.convert_string_to_number("blah")? As it is, this will silently fail and return the same as if I'd calledconvert_string_to_number("0"). That''s a definitive-1from me.