foo.cc:1:2: error: invalid preprocessing directive #py
 #py试水
  ^
foo.cc:2:1: error: 'ABC' does not name a type
 ABC=input();
 ^
foo.cc:3:1: error: 'BCD' does not name a type
 BCD=input();
 ^
foo.cc:4:6: error: expected constructor, destructor, or type conversion before '(' token
 print(int(ABC)+int(BCD));
      ^

自豪的采用 HydroJudger 进行评测(github.com/hydro-dev/HydroJudger)