@[chen_zhe](/space/show?uid=8457)
by GoldenPotato137 @ 2018-06-09 22:40:11
@[GoldenPotato](/space/show?uid=52563) 我开小号用 `assert` 测试了一下，$n \leq 3000000 $
by Anguei @ 2018-06-09 22:42:44
@[yyfcpp](/space/show?uid=53062) 扎心了，乱搞过不了了233
复杂度不对了，高了几个数量级XD
by GoldenPotato137 @ 2018-06-09 22:43:56
@[zhouyonglong](/space/show?uid=9433)
by GoldenPotato137 @ 2018-06-12 16:46:31
@[GoldenPotato](/space/show?uid=52563) fixed
by chen_zhe @ 2018-06-20 13:03:40