2019年7月18日
The sum problem
摘要： Given a sequence 1,2,3... 阅读全文
posted @ 2019-07-18 21:00 voids5 阅读(86) 评论(0) 推荐(0) 编辑
what is your grade?
摘要： “Point, point, life of student!” This is a ballad（歌谣）well known in colleges, and you must care about your score in this exam too. How many points can 阅读全文
posted @ 2019-07-18 20:45 voids5 阅读(236) 评论(0) 推荐(0) 编辑