Run id: 135719

Main.cc:1:1: error: 'include' does not name a type
 include   
 ^
Main.cc: In function 'int main()':
Main.cc:6:5: error: 'cin' was not declared in this scope
     cin>>a>>b;
     ^
Main.cc:8:21: error: 'printf' was not declared in this scope
     printf("%.5lf",c);
                     ^