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Problem 4407 >> 这个题到底多少个测试点?
psi013 @ 2017-09-26 17:42:36
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nlogn会T啊
jjikkollp @ 2018-02-08 21:57:42
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那是因为你需要 (质数个数)*logk+非质数个数+T*sqrt(n) 23333333
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