现在的萌新全问蓝紫黑qaq
~~话说这题不是三遍dfs就完事了吗~~
by TEoS @ 2019-07-11 10:44:31
@[TEoS](/space/show?uid=91534) 是啊所以为什么会WA呢
by Terminus_Est @ 2019-07-11 10:45:34
@[月挣零_yzl](/space/show?uid=108510) 我也不会啊qaq，不然我的[代码](https://www.luogu.org/paste/hdzggb7w )给你参考一下吧
by TEoS @ 2019-07-11 10:48:11
@[月挣零_yzl](/space/show?uid=108510) 我也不会啊qaq，不然我的[代码](https://www.luogu.org/paste/hdzggb7w )给你参考一下吧
by TEoS @ 2019-07-11 10:49:10
Orz废龙tql
by suyiheng @ 2019-07-11 11:29:41