3.1M Submissions 5.2M Acceptance Rate 59.3% Topics ArrayBinary Search Companies Similar Questions Search in a Sorted Array of Unknown Size Medium Maximum Count of Positive Integer and Negative Integer Easy Discussion (152) Copyright ©️ 2025 LeetCode All rights reserved 12.5K 152 0 Online nums = [-1,0,3,5,9,12] target = 9 9 1 2 3 4 › [-1,0,3,5,9...
Leetcode 374. Guess Number Higher or Lower Leetcode 367. Valid Perfect Square 33. Search in Rotated Sorted Array for class2: we have many transformation of such problem: like find the smallest that larger ot equals to target, or the first value that satisfy the conditions, or the last va...
题目来源:https://leetcode.com/problems/convert-sorted-list-to-binary-search-tree/description/ Description Given a singly linked list where elements are sorted in ascending order, convert it to a height balanced BST. For this problem, a height-balanced binary tree is defined as a binary tree i...
1. 1st thing I come up with is to use binary search, but it has LTE problem (1) maintain the index of each interval by create a tuple (2) sort the list by the start point (3) iterate each interval, find the end point endElement (4) binary search the right most insertion position...
Example 2: Input:root = [4,2,7,1,3], val = 5Output:[] Constraints: The number of nodes in the tree is in the range[1, 5000]. 1 <= Node.val <= 107 rootis a binary search tree. 1 <= val <= 107 FindTabBarSize FindBorderBarSize...
node differ in height by no more than 1.英文版地址 https://leetcode.com/problems/balanced-...
[leetcode] 109. Convert Sorted List to Binary Search Tree Description Given a singly linked list where elements are sorted in ascending order, convert it to a height balanced BST. For this problem, a height-balanced binary tree is defined as a binary tree in which the depth of the two ...
1. Problem Given a singly linked list where elements are sorted in ascending order, convert it to a height balanced BST. 2. Anylysis 升序的单链表转换成平衡二叉树,那么链表的中点即为二叉树的根节点,然后依次查找出左右的中点,将其作为二叉树的左右子节点。
如何使用 Python 生成所有结构独特的二叉搜索树? 在LeetCode 的 Unique Binary Search Trees II 问题中,如何确定递归的基准情况? 生成所有独特的二叉搜索树时,如何处理空树的情况? 题目大意 给出一个n,求1-n能够得到的所有二叉搜索树,输出所有树 解题思路 递归拼接树 该题较难,参考题解的思路。 从start到end,...
原题网址:https://leetcode.com/problems... Given a non-empty binary search tree and a target value, find k values in the BST that are closest to the target. Note: Given target value is a floating point. You may assume k is always valid, that is: k ≤ total nodes. ...