想请教一道编程题，请各位大虾进来指点迷津。 - 编程论坛

飞扬冲天2012-04-19 20:22

代码我觉得你应该先自己写一下，然后传上来大家研究，至于中分和总人数他们是静态成员啊，对象不能直接调用的..

ab10349827492012-04-19 23:32

#include<iostream>
using namespace std;
const int SIZE =10;
class Student
{
private:
    static int count;
    static float total;
    float score;
public :
    void scoretotalcount(float s);
    static float sum();
    static float average();
};
int Student::count=0;
float Student::total=0;

void Student::scoretotalcount(float s)
{
    score =s;
    count++;
    total=total+score;
}
float Student::sum()
{
    return total;
}
float Student::average()
{
    return total/count;
}
Student student[SIZE];
int main(void)
{
    float grade;
    int i=0;
    cout<<"请输入每个人的成绩:"<<endl;
    for(i=0;i<SIZE;i++)
    {
        cin>>grade;
        student[i].scoretotalcount(grade);
    }
    cout<<"全班总分为："<<Student::sum()<<endl;
    cout<<"全班成绩平均分为："<<Student::average()<<endl;
    return 0;
}
你参考一下吧。