morphology.c from opencv

c语言教程：结构体的运用。按键功能：1：输入学生信息 2：按平均成绩由高到低排序 3：按姓名由小到大排序 4：以学号查找学生信息 5：以名字查找学生信息 6：修改某学生信息 0：结束程序(C language course: the use of the structure. Key features: 1: input student information 2: according to the average scores from high to low sort by name: 3:

c语言教程2：结构体的运用。输入N个学生的姓名和其3门成绩，可执行功能：按平均成绩由高到低输出，按姓名由低到高输出，按学号查找，按姓名查找。(C language course 2: the use of the structure. Input N student names and 3 scores, executable functions: output from high to low according to the average score, and output from na