printf("\t\t||*************实验室预约排队系统**************||\n");
printf("\t\t|| ---------------- ||\n");
printf("\t\t|| ||\n");
printf("\t\t||~~~~~~~~~~~~~~~1.添加排课信息~~~~~~~~~~~~~~~~||\n");
printf("\t\t||~~~~~~~~~~~~~~~2.删除排课信息~~~~~~~~~~~~~~~~||\n");
printf("\t\t||~~~~~~~~~~~~~~~3.按课程修改排课信息~~~~~~~~~~||\n");
printf("\t\t||~~~~~~~~~~~~~~~4.按课程查询排课信息~~~~~~~~~~||\n");
printf("\t\t||~~~~~~~~~~~~~~~5.按课程排序排课信息~~~~~~~~~~||\n
