程序设计MOOC 学生信息处理程序

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

class Student
{
private:
    char name[21];
    int age;
    int num;
    int a[4];
    double avg;
public:
    void input()
    {
        cin.getline( name, 21, ',' );//cin.getline(字符指针(char*),字符个数N(int),结束符(char));
        char c;
        cin >> age >> c  >> num ;
        for( int i = 0; i < 4; i++ )
            cin >> c >> a[i];
    }
    void calculate()
    {
        int sum = 0;
        for( int i = 0; i < 4; i++ )
            sum += a[i];
        avg = 1.0*sum/4.0;
    }
    void output()
    {
        cout << name << ',' << age << ',' << num << ',' << avg << endl;
    }
};
int main()
{
    Student student;        // 定义类的对象
    student.input();        // 输入数据
    student.calculate();    // 计算平均成绩
    student.output();       // 输出数据
}