Run id: 135721

Main.cc:1:1: error: 'include' does not name a type
 include   
 ^
Main.cc: In function 'int main()':
Main.cc:7:1: error: 'cin' was not declared in this scope
 cin>>a>>b;
 ^
Main.cc:9:17: error: 'printf' was not declared in this scope
 printf("%.5lf",c);
                 ^