摘要: 题面:https://www.luogu.org/problemnew/show/P1955 题解:https://www.zybuluo.com/wsndy-xx/note/1143858 阅读全文
posted @ 2018-05-11 17:13 xayata 阅读(92) 评论(0) 推荐(0) 编辑
摘要: https://www.zybuluo.com/wsndy-xx/note/1143777 阅读全文
posted @ 2018-05-11 16:36 xayata 阅读(90) 评论(0) 推荐(0) 编辑