Tks to Jaime for this one which tells that switch case in c++ acceots range extension...!!!

Question

https://code.sololearn.com/cGjLasox9rSu/?ref=app

Answer 1

I didn't know c++ can do that, quite a cool feature!!

Answer 2

Thats only for GCC and Clang, though.

Answer 3

You are missing a ';' after the first break command.