时间复杂度??

P1600 [NOIP2016 提高组] 天天爱跑步

C20203030 @ 2019-11-20 20:07:48

问一下会线段树合并的大佬。

怎么保证时间复杂度?

也就是计算线段树合并的时间复杂度?


by Limit @ 2020-05-15 14:36:01

@C20203030 线段树合并每次回减少一个节点,所以复杂度和会增加节点的操作的复杂度相同(复杂度均摊)(可能您已经会了/fad


by Limit @ 2020-05-15 14:36:21

*会,日常手残党了


by C20203030 @ 2020-05-15 20:58:49

@limit 蟹蟹,我以前强行记忆了线段树合并的复杂度,可能现在才懂吧[擦汗]


by Limit @ 2020-05-15 20:59:35

@C20203030 /fad


by Limit @ 2020-05-15 20:59:56

网上很多地方都是错的


by C20203030 @ 2020-05-15 21:00:14

@limit 嗯嗯


by Limit @ 2020-05-15 21:00:45

@C20203030 只要把线段树合并理解为一个常数就好了(bushi


by C20203030 @ 2020-05-15 21:01:39

@limit by the way,宁和我机房的某巨佬重名字缩写了[擦汗]


by Limit @ 2020-05-15 21:04:10

@C20203030 [害怕]


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