What,dfs暴力大法+剪枝+超级优化能水到满分???!

P5018 [NOIP2018 普及组] 对称二叉树

![](https://s1.ax1x.com/2018/11/11/iqgba4.png)
by Chavapa @ 2018-11-11 15:26:45


@[kkksc03](/space/show?uid=1) @[龟龟号打捞船](/space/show?uid=36482) 数据能否进一步增强?想知道为何暴力全过?谢谢哎
by Chavapa @ 2018-11-11 15:29:32


爆搜严格nlogn啊,你自己推下
by ezoiHY @ 2018-11-11 15:38:21


@[ezoiHY](/space/show?uid=48146) 是哦,所以10^6不成问题咯?
by Chavapa @ 2018-11-11 15:54:40


是啊
by ezoiHY @ 2018-11-11 16:02:55


P党?
by _自动AC机_ @ 2018-11-11 21:59:26


@[_自动AC机_](/space/show?uid=84991) yes
by Chavapa @ 2018-11-13 13:39:13


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