@[oh_yes](/space/show?uid=107877) [这题](https://www.luogu.org/problemnew/show/P5049)
by 二次离线莫队 @ 2019-01-27 16:25:05
要线性的
by msy66 @ 2019-02-17 16:54:35
@[msy66](/space/show?uid=119851) 不排序？
by Imakf @ 2019-02-28 21:12:45
@[Imakf](/space/show?uid=47863) 找环后贪心
by msy66 @ 2019-03-03 08:39:23
您怎么贪心啊。。。。不用排序
by Imakf @ 2019-03-03 12:37:47
@[Imakf](/space/show?uid=47863) 瞎搞胡搞
by msy66 @ 2019-04-11 20:18:26
@[msy66](/space/show?uid=119851) 过于强大Orz stO
by Imakf @ 2019-04-11 20:31:11
@[Imakf](/space/show?uid=47863) 基数排序，线性的
by msy66 @ 2019-06-02 08:49:14