Sort by Even and Odd numbers

Question

I would like to know is it possible to sort number by even or odd using the std::sort function.

I have the following codes but i am not sure how to implement in the

Answer 1

You can write a comparison function like

bool evenOddLess( Point const& a, Point const& b )
{ return (isEven( a ) < isEven( b )); }

Then you can use that as third argument to std::sort.