T2特别简单
by mamingxiao @ 2022-05-23 16:36:54
@[mamingxiao](/user/331189) orz，六年级就吊打我了
by liqingyang @ 2022-05-23 16:47:04
@[liqingyang](/user/272088) 您是没看题，特别简单
by mamingxiao @ 2022-05-23 16:56:17
@[liqingyang](/user/272088) 线段树模板
by mamingxiao @ 2022-05-23 16:56:37
@[mamingxiao](/user/331189) 所以batch是什么
by MaLX @ 2022-05-23 17:01:34
@[MaLX](/user/685127) 传统题
by mamingxiao @ 2022-05-23 17:05:00
@[mamingxiao](/user/331189) 线段树？不是前缀和吗qwq
by CmsMartin @ 2022-05-27 10:53:07
@[CmsMartin](/user/461426) 啊对，前缀和也可以搞。。。。我太智障了。。
by mamingxiao @ 2022-05-27 11:41:07