@[树状数组](/space/show?uid=181007) [你怎么老发这个](https://codeforces.com/blog/entry/69350)
by Hjcc @ 2019-08-29 19:00:29
~~@[侯嘉诚](/space/show?uid=189435) 你就不仔细看看嘛~~
by 树状数组 @ 2019-08-29 19:01:02
~~@[树状数组](/space/show?uid=181007) 我英语不好~~
by Hjcc @ 2019-08-29 19:02:53
@[侯嘉诚](/space/show?uid=189435) 谷歌翻译,你会发现令人震惊的东西
by 树状数组 @ 2019-08-29 19:04:54
@[树状数组](/space/show?uid=181007) 你们俩还聊上了
~~不过谷歌翻译是真的好用~~
by FZzzz @ 2019-08-29 19:06:03
明白了,是我的锅
by FZzzz @ 2019-08-29 19:06:29
@[function_of_zero](/space/show?uid=174045) ???
by 树状数组 @ 2019-08-29 19:06:57
@[树状数组](/space/show?uid=181007) ????
by FZzzz @ 2019-08-29 19:10:05
@[Juanzhang](/space/show?uid=73934) 谢谢大佬
by FZzzz @ 2019-08-29 19:10:41