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by Salamander @ 2018-03-01 08:16:37
膜膜膜膜膜膜膜，dalao太劲啦
by Caii @ 2018-03-01 08:17:09
在下蒟蒻畑，有何贵干
by Salamander @ 2018-03-01 08:17:36
太强了
by newbie314159 @ 2018-03-01 12:47:39
思维难度确实低也不至于普及，更突出代码难度也不至于 NOIP……
by rushcheyo @ 2018-06-02 11:38:24