原题链接在这里:https://leetcode.com/problems/largest-bst-subtree/ 题目: Given a binary tree, find the largest subtree which is a Binary Search Tree (BST), where largest means subtree with largest number of nodes in it. Note:A subtree must include all of its descendants.Here's an example...
Given a binary tree, find the largest subtree which is a Binary Search Tree (BST), where largest means subtree with largest number of nodes in it. Note: A subtree must include all of its descendants. Here's an example: 10 /\5 15 /\ \1 8 7The Largest BST Subtree inthiscaseis the...
The Largest BST Subtree in this case is the highlighted one. The return value is the subtree's size, which is 3. Follow up: Can you figure out ways to solve it with O(n) time complexity? 1/**2* Definition for a binary tree node.3* public class TreeNode {4* public int val;5*...
largestdepth such that it contains all the deepest nodes in its subtree. 方法思路错误的思路: 只考虑了示例中的情况,没想...题目描述 Given a binary tree rooted at root, the depth of each node is the shortest distance to the leetcode813+区间DP ...
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题目地址:https://leetcode-cn.com/problems/largest-bst-subtree/题目描述Given a binary tree, find the largest subtree which is a Binary Search Tree (BST), where largest means subtree with largest number of nodes in it.Note:A subtree must include all of its descendants....