假定有N门课程,每门课程有课程编号,课程名称,课程性质,总学时,授课学时,实验或上机学时,学分.开课学期等信息,学生可按要求(如总学分不得少于60)自由选课.试设计一选修课程系统,使之能提供以下功能:

(1)系统以菜单方式工作

(2)课程信息和学生选课信息录入功能(课程信息用文件保存)__输入

(3)课程信息浏览功能__输出

(4)查询功能(至少一种查询方式)__算法

(5)按学分查询

(6)某门课程学生选修情况(可选项) -Assume that there are N courses, each course has course number, course name, course properties, total hours, teaching hours, laboratory, or the machine hours, credits. Semester and other information, students may be required (such as not less than 60 total credits ) free choices. try to design a system of elective courses, so that it can provide the following functions: (1) system to work the way the menu (2) course information and student enrollment information into the function (program information with the file) __ input ( 3) The output of program information browsing __ (4) search function (at least one query mode) __ algorithm (5) on credit inquiries (6) Students taking a course situation (optional)