2018年9月21日
CSU OJ 1340 A Sample Problem
摘要： Description My girlfriend loves 7 very much, she thinks it is lucky! If an integer contains one or more 7, she will think it is lucky too! Description 阅读全文
posted @ 2018-09-21 13:29 Jack-Huang 阅读(168) 评论(0) 推荐(0) 编辑