用了Splay,T了4个点.

P3391 【模板】文艺平衡树

等等我是不是发错地方了???
by Cyan_rose @ 2019-01-23 17:08:35


抱歉抱歉,脑子已经昏了QAQ
by Cyan_rose @ 2019-01-23 17:09:35


@[Cyan_rose](/space/show?uid=48246) 吓得我以为是双倍经验
by 情谊、暴走 @ 2019-01-23 17:23:08


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