He basically answered that the correct way to find the length of an array in c is to use c++ not c. I don't think there is any way to correct that answer, and r

He basically answered that the correct way to find the length of an array in c is to use c++ not c. I don't think there is any way to correct that answer, and responding to a question of how do i do X in C with "use C++ instead", is kind of obnoxious.