运行 ID: 129970

Main.cc:1:1: error: ‘include’ does not name a type; did you mean ‘__has_include’?
 include
 ^~~~~~~
 __has_include
Main.cc: In function ‘int main()’:
Main.cc:6:10: error: ‘cin’ was not declared in this scope
          cin>>m>>r>>w; 
          ^~~
Main.cc:6:10: note: suggested alternative: ‘main’
          cin>>m>>r>>w; 
          ^~~
          main
Main.cc:13:1: error: ‘cout’ was not declared in this scope
 cout<