@[Fitzwilliam_Darcy](/space/show?uid=26800)
by iwprc @ 2018-10-26 00:04:08
谢谢dalao,我紫dp都不敢碰嘤,我明天再看看,我要睡觉了呢!!
by Sshenyyyu @ 2018-10-26 00:05:17
@[U41485](/space/show?uid=41485) 天天爱跑步和运输计划可以用树剖做(没说必须用)
by Limerick @ 2018-10-27 23:37:42
@[wang_tian_yi](/space/show?uid=31021)
但是$CCF$的老爷机卡常,$O(nlogn)$的算法好像都跑不过去
by iwprc @ 2018-10-27 23:44:34