Given therootof a Binary Search Tree (BST), convert it to a Greater Tree such that every key of the original BST is changed to the original key plus sum of all keys greater than the original key in BST. As a reminder, abinary search treeis a tree that satisfies these constraints: Th...
Given an integer arraynumswhere the elements are sorted inascending order, convertit to aheight-balancedbinary search tree. Example 1: Input:nums = [-10,-3,0,5,9]Output:[0,-3,9,-10,null,5]Explanation:[0,-10,5,null,-3,null,9] is also accepted: Example 2: Input:nums = [1,3]...
leetcode 538. Convert BST to Greater Tree Given a Binary Search Tree (BST), convert it to a Greater Tree such that every key of the original BST is changed to the original key plus sum of all keys greater than the original key in BST. Example: Input:The root of a Binary Search Tree...
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Given a Binary Search Tree (BST), convert it to a Greater Tree such that every key of the original BST is changed to the original key plus sum of all keys greater than the original key in BST. Example: Input: The root of a Binary Search Tree like this: ...
题目链接:https://leetcode.com/problems/convert-sorted-array-to-binary-search-tree/ 题目: Given an array where elements are sorted in ascending order, convert it to a height balanced BST. 思路: 新建一个结点保存mid值,该结点的左右子树也递归生成,这是个常用的模板 ...
* TreeNode(int x) { val = x; } * } */publicclassSolution{public TreeNodesortedListToBST(ListNode head){if(head==null)returnnull;int total=1;ListNode temp=head;while(temp.next!=null){temp=temp.next;total++;}returngetBST(1,total,head,temp);}private TreeNodegetBST(int begin,int end...
[LeetCode]Recover Binary Search Tree 二叉搜索树中的两个节点被错误地交换。 请在不改变其结构的情况下,恢复这棵树。 示例 1: 输入: [1,3,null,null,2] 示例 2: 输入: [3,1,4,null,null,2] 使用 O(n) 空间复杂度的解法很容易实现,代码如下...LeetCode—114. Flatten Binary Tree to Linked ...
Convert Sorted List to Binary Search Tree Given a singly linked list where elements are sorted in ascending order, convert it to a height balanced BST. 解题思路: 题意为构造有序链表的二分查找树。找到中间节点的办法用双指针法。注意我们还须要保存中间节点的前一个节点,便于一个链表分成两个链表。
shining-ai merged commit 927d3a7 into main Jun 30, 2024 shining-ai deleted the review24 branch June 30, 2024 03:02 colorbox mentioned this pull request Feb 2, 2025 108. Convert Sorted Array to Binary Search Tree colorbox/leetcode#38 Open Sign up for free to join this conversation...