Run id: 91143

Main.cc:1:1: error: 'include' does not name a type
 include
 ^
Main.cc: In function 'int main()':
Main.cc:6:16: error: 'scanf' was not declared in this scope
  scanf("%lf",&r);
                ^
Main.cc:8:17: error: 'printf' was not declared in this scope
  printf("%.2f",s);
                 ^