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Re:线段树怎么写能不超时呢？In Reply To:Re:线段树怎么写能不超时呢？ Posted by:qinhanlei at 2008-09-02 16:35:11 > 也就是说 20000 个有效点的坐标范围为(1~10000000), 映射成 数值范围为(0~20000) 的点,这样子就可以了.. > > 所以建立线段树的时候最多只要长度20000足矣, 楼上，这里我不懂，为什么20000就够了，要建立一颗完全二叉树该是40000啊。。 Followed by: Post your reply here: |
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