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Problem 5145 >> 0MS 肿么回事?
save_code @ 2018-01-17 08:54:53
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RT
save_code @ 2018-01-17 09:59:04
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n*sqrt(n)*alpha(n)??

要用到并查集吧
iloi @ 2018-01-17 10:10:16
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0ms是因为出题人py了题目
nzhtl1477 @ 2018-01-17 10:46:59
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1.可以不用并查集msqrtn
2.并查集是msqrtn的
nzhtl1477 @ 2018-01-17 10:54:38
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现在重测了不是0ms啦
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