摘要: BIT 套 splay其实也是不难...每个 BIT 的结点保存一颗 splay , 询问就二分答案然后判断rank...---------------------------------------------------------------#include#include#include#i... 阅读全文
posted @ 2015-07-06 22:05 JSZX11556 阅读(301) 评论(1) 推荐(0) 编辑