（1）　　扩充程序，使之还能输出所有学生中单科成绩最高的学生信息。

（2）　　设计一个容器类来管理所有的学生，即将main函数中的代码设计到一个类中。

（3）　　代码中为了处理本科生和研究生设计了两段逻辑完全相同的代码，其所以这样设计是因为本科生类和研究生类是不同的类型，因此我们无法用单一的数组来包括所有的学生，从而导致无法对这些学生（本科生和研究生）进行统一的管理，请利用多态设计方法简化程序设计，也就是想办法能将本科生类对象和研究生类对象看作同一种类型以进行统一管理。

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翻译结果（中 > 英）复制结果



( 1) expansion program, which can output all the students scores the highest student information.



( 2) the design of a container class to manage all of the students, the main code in the function design to a class.



( 3 ) code to handle the undergraduate and graduate design two logic exactly the same code, so this design because of its undergraduate and graduate classes are different types, so we can t use a single array to include all students, which leads to the inability of these students ( undergraduate and graduate ) were unified management, please use the multistate design method to simplify program design, which is to think of a way to undergraduate and graduate class of objects as the same type to conduct unified management.