倍增算法，它（在luogu）死了

P4281 [AHOI2008] 紧急集合 / 聚会

加个读优就可以卡过去了
by wzhy @ 2018-09-18 16:53:18

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#pragma GCC optimize (3) #pragma GCC optimize ("Ofast") #pragma GCC optimize ("inline")
by YitsuHolo @ 2018-09-18 17:04:59

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+1 qwq
by callG @ 2018-09-20 23:36:41

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[倍增1703ms](https://www.luogu.org/record/show?rid=11314505)
by 「已注销」 @ 2018-09-30 21:50:18

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[倍增1100ms](https://www.luogu.org/recordnew/show/16087103)
by ycyaw @ 2019-02-06 14:15:50

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