原题链接在这里:https://leetcode.com/problems/maximum-sum-bst-in-binary-tree/description/ 题目: Given a binary treeroot, returnthe maximum sum of all keys of any sub-tree which is also a Binary Search Tree (BST). Assume a BST is defined as follows: The left subtree of a node contains...
Can you solve this real interview question? Maximum Sum BST in Binary Tree - Given a binary tree root, return the maximum sum of all keys of any sub-tree which is also a Binary Search Tree (BST). Assume a BST is defined as follows: * The left subtree
{bst.rangeSum(-1,id)} + ${bst.rangeSum(preId, n - 1)}") } // 单点更新 bst.dec(id) preId = id } return ret } // 树状数组 private class BST(private val n: Int) { // base 1 private val data = IntArray(n + 1) init { // O(nlgn) 建树 // for (i in 0 .. n)...
rangeSumBST(root.left, low, high) # 如果 root 结点值小于 high ,则其右子树可能存在需要统计的结点,递归处理右子树 if root.val < high: ans += self.rangeSumBST(root.right, low, high) return ans 代码(Go) /** * Definition for a binary tree node. * type TreeNode struct { * Val ...
LeetCode-Range Sum of BST Description: Given the root node of a binary search tree, return the sum of values of all nodes with value between L and R (inclusive). The binary search tree is guaranteed to have unique values. Example 1:...
leetcode 938. 二叉搜索树的范围和(Range Sum of BST) 目录 题目描述: 示例1: 示例2: 解法: 题目描述: 给定二叉搜索树的根结点 root,返回 L 和R(含)之间的所有结点的值的和。 二叉搜索树保证具有唯一的值。 示例1: 输入:root = [10,5,15,3,7,null,18], L = 7, R = 15 输出:32 示例2: ...
[leetcode] 938. Range Sum of BST Description Given the root node of a binary search tree, return the sum of values of all nodes with value between L and R (inclusive). The binary search tree is guaranteed to have unique values.
0653 Two Sum IV - Input is a BST 两数之和 IV - 输入 BST LeetCode 力扣 Python CSDN Easy 二叉树 0654 Maximum Binary Tree最大二叉树 LeetCode 力扣 Python CSDN Medium 二叉树 0655 Print Binary Tree 输出二叉树 LeetCode 力扣 Python CSDN Medium 二叉树 0662 Maximum Width of Binary Tree 二叉树...
654.Maximum-Binary-Tree (H) 971.Flip-Binary-Tree-To-Match-Preorder-Traversal (M+) 1028.Recover-a-Tree-From-Preorder-Traversal (H-) 1569.Number-of-Ways-to-Reorder-Array-to-Get-Same-BST (H) 1597.Build-Binary-Expression-Tree-From-Infix-Expression (H) 1902.Depth-of-BST-Given-Insertion-...
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