原题时限两秒

P3301 [SDOI2013] 方程

卡卡常就能过(逃
by Caii @ 2018-03-01 18:41:20


chen_zhen /笑哭
by FCBM71 @ 2018-03-01 18:43:05


呀(我来帮你@[chen_zhe](/space/show?uid=8457) )
by 404_notfound @ 2018-03-01 18:50:11


%%%%kb
by Salamander @ 2018-03-01 20:02:28


@[litble](/space/show?uid=20604) 已修改部分数据点时限
by yjjr @ 2018-03-01 21:18:35


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