~~居然紫了，恶意评分~~
by 眠ㅤㅤㅤ @ 2018-12-04 14:03:22
谢谢...
by Ciyang @ 2018-12-04 14:23:25
~~大家一起努力评分把这道题评成蓝题~~
by RiverFun @ 2018-12-04 14:31:02
@[Steve_braveman](/space/show?uid=96570) @[LyIosing](/space/show?uid=110572) @[Ciyang](/space/show?uid=109815) @[TLE自动机](/space/show?uid=48744) 怕是只是个绿题吧，就一个反转标记可能比线段树模板1还简单吧QWQ
by GoodZH @ 2018-12-04 14:57:11
~~明明还是这两题都是绿题吧~~
by 彼岸归航 @ 2018-12-04 15:03:47
。。
by XY_cpp @ 2018-12-04 15:59:38
明明都是简单题
by wasa855 @ 2018-12-06 08:12:43
~~现在它黄了。~~
by huangziqin @ 2020-08-22 17:51:24