Run id: 100524

Main.cc:1:1: error: 'include' does not name a type
 include  // cin\cout\endl
 ^
Main.cc: In function 'int main()':
Main.cc:6:26: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     scanf("%lf%lf",&a,&b);
                          ^