[LeetCode] 250. Count Univalue Subtrees 计算唯一值子树的个数
:Given binary tree, return 4. 给一个二叉树，求唯一值子树的个数。唯一值 ...
原文：[LeetCode] 250. Count Univalue Subtrees 计数相同值子树的个数
Given a binary tree, count the number of uni value subtrees. A Uni value subtree means all nodes of the subtree have the same value. Example : 这道题让我们求相同值子树的个数，就是所有节点值都相同的子树的个数，之前有道求最大 BST 子树的题Largest ...
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