* P3938 斐波那契
* P4281 [AHOI2008]紧急集合 / 聚会
* P2420 让我们异或吧
更多题目也欢迎各位dalao补充QwQ
by StudyingFather @ 2019-02-15 23:17:43
~~（这样就可以补充一下[题单](https://studyingfather.blog.luogu.org/luogu-problem-list)了~~
by StudyingFather @ 2019-02-15 23:18:32
@[StudyingFather](/space/show?uid=22030) **P2420 让我们异或吧** 并不需要LCA
by xiangling @ 2019-02-15 23:34:51
挺好的lca题： CF519E A and B and Lecture Rooms
需要分类讨论，树上倍增
by xiangling @ 2019-02-15 23:36:43
@[emm···](/space/show?uid=126666) [[LNOI2014] LCA](https://www.luogu.org/problemnew/show/P4211) (假的)
by NaCly_Fish @ 2019-02-15 23:38:58
CF983E NN country
by SSerxhs @ 2019-02-15 23:45:15
@[Alaraph](/space/show?uid=55804) 可以用暴力方法做233，不过比较主流的方法都和LCA相关吧。
by StudyingFather @ 2019-02-15 23:56:02
@[StudyingFather](/space/show?uid=22030) 不管主流不主流都不用lca啊
by SSerxhs @ 2019-02-16 00:07:41
~~P1001A+B Problem,好难的~~
by ⚡小林孑⚡ @ 2019-02-16 00:12:09
跟lca有关的题……WC2018t1以及CTSC2018d2t3啊
by star_city @ 2019-02-16 00:42:13