设计题目：学生信息管理系统

设计要求：

设计要求实现如下功能：

（1）建立学生信息数据，包括学号、姓名、性别、三科成绩、出生时间、年龄（必须计算得到）。

（2）使用继承的方法构造至少3个类，（即学生类——虚基类，本科生和研究生类——派生类）使用相应的对象放置10个学生信息。

（3）编写同名display()成员函数，用来输出数组的内容。

（4）按不同类别输出学生信息，比如按性别。（可选功能）

（5）要求对“＜＜”和“＞＞”运算符进行重载。

（6）抽取并计算学生的平均成绩。

（7）按照至少一科成绩进行排序。

（8）检索（查找）指定信息。（如按姓名检索、按年龄检索）

-Design Title: Student Information Management System

Design requirements:

Design requirements to achieve the following functions:

(1) the establishment of a student information data, including student number, name, gender, three subjects, the time of birth, age (must be calculated).

(2) use the inherited method to construct at least three classes (ie, students　class- a virtual base class, undergraduate and graduate class- derived class) using the corresponding object is placed 10 student information.

(3) the preparation of the same name as the display () member function is used to output the contents of the array.

(4) output by different categories of student information, such as by gender. (Optional)

(5) "<<" and ">>" operator overloading.

(6) extraction and calculation of the student s grade point average.

(7) in accordance with at least one subjects to be sorted.

(8) Search (find) the specified information. (Such as by name search retrieved by age)