2018年5月18日
Unhappy Hacking I
摘要： 问题 J: Unhappy Hacking I 题目描述 Sig has built his own keyboard. Designed for ultimate simplicity, this keyboard only has 3 keys on it: the 0 key, the 1 k 阅读全文
posted @ 2018-05-18 08:45 zangzang 阅读(211) 评论(0) 推荐(0)
Iroha's Obsession
摘要： 问题 D: Iroha's Obsession 题目描述 Iroha is very particular about numbers. There are K digits that she dislikes: D1,D2,…,DK. She is shopping, and now paying 阅读全文
posted @ 2018-05-18 08:41 zangzang 阅读(391) 评论(0) 推荐(0)