64,649
社区成员
发帖
与我相关
我的任务
分享
#ifndef STUDENTC_H
#define STUDENTC_H
#include <iostream>
#include <string>
#include <valarray>
class Student
{
private:
typedef std::valarray<double> ArrayDb;
std::string name;
ArrayDb scores;
std::ostream & arr_out(std::ostream &os) const;
public:
Student() : name("Null Student"),scores(){}
Student(const std::string &s) : name(s,), scores(){}
explicit Student(int n):name("Nully"), scores(n){}
Student(const std::string &s,int n) : name(s),scores(n){}
Studnet(const std::string &s, const ArrayDb &a): name(s), scores(a){}
Student(const char *str,const double *pd,int n) : name(str),scores(pd,n) {}
~Student() {}
double Average() const;
const std::string &Name() const;
double & operator[](int i) const;
friend std::istream &operator>>(std::istream &is, Student &stu);
friend std::istream &getline(std::istream &is, Student &stu);
friend std::ostream & operator<<(std::ostream &os,const Student &stu);
};
#endif0