Question

Complete the defintion of operator() for the function object Comp that properly compares two int values to the following priority in C++:

-Even is higher priority than odd and

-larger numbers have higher priority than smaller numbers.

struct Comp {
    bool operator()(const int& lhs,const int& rhs) const {
        
        return false;
    }
};

Answer 1

struct Comp {
    bool operator()(const int& lhs,const int& rhs) const {
        if (lhs % 2 == 0 && rhs % 2 == 0) {
            return lhs > rhs;
        }
        return lhs % 2 == 0;
    }
};