@[Imagine](/space/show?uid=50167) 现在过了,谢谢
by Mambason @ 2018-02-13 10:46:23
这个时限绝对太紧了,我写的正解只有15分,卡了半天常还是只有97
by cosmicAC @ 2019-01-17 18:17:55
我也97了$Q\omega Q$
by mytester @ 2019-02-02 15:57:38