实现了一个简易的学生选修课管理系统
实现了一个简易的学生选修课管理系统
要求使用链表、文件。
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（总学分不得少于60）自由选课。
试设计一个选修课程管理系统，使之能提供以下功能：
系统以菜单方式工作
课程信息录入功能(课程信息用文件保存)－－增加、修改、删除。
课程信息浏览功能－－输出
查询功能：(至少一种查询方式)－－算法
按学分查询
按课程性质查询
学生选修课程（要求：每学期选修课程不能超过80学分，只能选择在本学期开始的课程和时间不冲突的课程），给出学生的选修课表，并统计出所选总学分
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