xuesheng.cpp

用来设置学生分数

#include<iostream.h>
class Student
{float score;
static float total;
static int count;
public:
	void scoretotalcount(float s);
	static float sum(){return total;}
	static void average();
};
float Student::total=0;
int Student::count=0;
void Student::scoretotalcount(float s)
{score=s;
total+=s;
count++;
}
void Student::average()
{cout<<"全班同学的平均分为："<<total/count<<endl;
}
void main()
{Student A[100];
float s;
int i=0;
cout<<"请输入全班同学的成绩（输入0结束）："<<endl;
cin>>s;
while(s)
{A[i].scoretotalcount(s);
i++;
cin>>s;
}
cout<<"全班同学的总分为："<<Student::sum()<<endl;
Student::average();
}