2017年8月24日
codeforeces 845B
摘要： 题解 "codefores 845B" 原题 Luba has a ticket consisting of 6 digits. In one move she can choose digit in any position and replace it with arbitrary digit. 阅读全文
posted @ 2017-08-24 11:57 bbqub 阅读(198) 评论(0) 推荐(0)