Override

gistfile1.txt

typedef vector<int> vint;
class Score_Variant
{
public:
	virtual ~Score_Variant() = default;
	virtual string name() const { return to_str();}
	virtual int score(const vint&)   = 0;
protected:
	Score_Variant() = default;
private:
	Score_Variant& operator=(const Score_Variant&) = delete;
	Score_Variant(Score_Variant&) = delete;
	Score_Variant(Score_Variant&&) = delete;
	virtual string to_str() const = 0;
};

class Pair: public Score_Variant{
 public:
 	virtual ~Pair() = default;
 	Pair() = default;
 	virtual int score(const vint& diceRolls ) override
 	{ sort(begin(diceRolls),end(diceRolls));  
 	  auto tmp = adjacent_find(rbegin(diceRolls),rend(diceRolls));
 	  if(tmp != rend(diceRolls))
 	  {
 	  	return (*tmp)*2;
 	  }
 	  else 
 	  {
 	  	return 0;
 	  }

 	}
 private:
 	Pair(const Pair&) = delete;
 	Pair(Pair&&) = delete;
 	Pair& operator=(const Pair&) = delete;
 	virtual string to_str() const override { return "Twos";}
 };