树状数组它不好么……
by Smile_Cindy @ 2020-04-09 18:47:54
@[Andy_2006](/user/261262) ？
by andyli @ 2020-04-09 18:48:03
等等，还是错。。。
by WaltVBAlston @ 2020-04-09 18:49:02
@[Andy_2006](/user/261262) 您似乎好多该用+=的地方都写成=了
by ZZ作者 @ 2020-04-09 18:49:18
样例最后一个点错了。。。。
by WaltVBAlston @ 2020-04-09 18:49:20
@[Andy_2006](/user/261262) 这道题的代码那么长吗？
by liqingyang @ 2020-04-09 18:51:17
@[Andy_2006](/user/261262) query_tree 中也要 pushdown
by andyli @ 2020-04-09 18:52:31
@[andyli](/user/84282) 现在是TLE了吧？
by liqingyang @ 2020-04-09 18:53:47
@[andyli](/user/84282)
%%%
pushdown里面exe[left]为什么不用+=？
by WaltVBAlston @ 2020-04-09 18:54:53
<https://studyingfather.blog.luogu.org/how-to-ask-questions-the-smart-way-luogu-edition>
by xrdrsp @ 2020-04-09 18:56:36