#include?
#include?
using?namespace?std;

class?Student
{
public:
	Student（）
	{
		cout<		name=““;
		score1=0;
		score2=0;
		score3=0;
	}
	void?Set（string?name1int?s1int?s2int?s3）;//三科成績?
	static?void?Aver（int?&s1int?&s2int?&s3int?&sum_s）;//修改引用，得到三科成績平均分和總平均分?
	void?Show（int?flag）;//顯示個人信息?
	int?Get（int?flag）;//獲取個人總分
	~Student（）
	{
		cout<<“Delete“<		sum_score1-=score1;
		sum_score2-=score2;
		sum_score3-=score3;
		people--;
	}
private:
	static?int?sum_score1?sum_score2?sum_score3;
	static?int?people;
	string?name;
	int?score1?score2score3;
};
int?Student::sum_score1=0;
int?Student::sum_score2=0;
int?Student::sum_score3=0;
int?Student::people=0;
void?Student::Set（string?name1int?s1int?s2int?s3