采用C语言设计方法实现。

要求完成以下功能:

(1)定义相关的数据,比如:

管理员登陆

学生姓名，学号

三门课的成绩

数据录入，删除

按学号，各科成绩，平均成绩排序并显示

(2)能够进行以下操作:

A.能够对数据进行增、删、查操作。

B.能够按学号，各科成绩，平均成绩排序并显示。

-Design implementation using C language. Required to complete the following functions: (1) the definition of related data, such as: administrator login student name, student number three courses of results data entry, delete by student number, all subjects, the average score ranking, and display (2) can be the following: A. The data can add, delete, check operation. B. to by student number, all subjects, the average score ranking, and display.