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【算法真题一】满二叉搜索树求三个节点的最低公共祖先

昨天腾讯的模拟考编程题，当时一脸懵逼。。。。##题目描述对于一棵满二叉搜索树深度为K，节点数为2^k - 1，节点值为[1, 2^k - 1]。给出k和任意三个节点的值，输出包含该三个节点的最小子树的根节点值。输入： 4 10 15 13输出：12##解题思路依据二叉搜索树的特殊性质和满二叉树的特殊...

跟着姚桑学算法-树中两个结点的最低公共祖先

题. 树中两个结点的最低公共祖先给出一个二叉树，输入两个树节点，求它们的最低公共祖先。一个树节点的祖先节点包括它本身。注意：输入的二叉树不为空；输入的两个节点一定不为空，且是二叉树中的节点；数据范围树中节点数量 [0,500]。样例二叉树[8, 12, 2, null, null, 6, 4, nu...

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更新时间 2024-05-01 07:55:27

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