大学的每个专业都要制订教学计划。假设任何专业都有固定的学习年限，每学年含两学期，每学期的时间长度和学分上限均相等。每个专业开设的课程都是确定的，而且课程在开设时间的安排必须满足先修关系。每门课程有哪些先修课程是确定的，可以有任意多门，也可以没有。每门课恰好占一个学期。试在这样的前提下设计一个教学计划编制程序。-University of each professional should develop teaching programs. Assuming that any profession has fixed the length of each school year with two semesters, the length of time each semester are equal to the credit limit. Each professional courses are determined, and the courses offered at the opening time arrangements must meet pre relations. Each course what Advanced Placement is determined, there can be any number of doors, you do not. Accounted for just one semester each course. In this context try to design a teaching program procedures.