2016年6月24日
Codeforces Round #359 (Div. 2) D. Kay and Snowflake 树DP
摘要： D. Kay and Snowflake After the piece of a devilish mirror hit the Kay's eye, he is no longer interested in the beauty of the roses. Now he likes to wa 阅读全文
posted @ 2016-06-24 16:12 meekyan 阅读(443) 评论(0) 推荐(0) 编辑