哇,orz您
~~然而为什么不用[树状数组套线段树](https://www.luogu.com.cn/record/61730105)()~~
by LordLaffey @ 2022-02-16 13:58:42
Orz
by 淸梣ling @ 2022-02-16 14:20:28
@[artalter](/user/352352) 为什么不用神奇的[树状数组套树状数组](https://www.luogu.com.cn/record/69478037)呢?(
by 5k_sync_closer @ 2022-02-16 14:57:49
build函数以上大概是正确的,错误的应该是线段树部分
by artalter @ 2022-02-16 15:00:08
orz
by jijidawang @ 2022-02-16 16:21:40
@[artalter](/user/352352) 至少线段树部分中的线段树部分我没看出来错误()
by LordLaffey @ 2022-02-16 16:53:19