Can you solve this real interview question? Binary Search - Given an array of integers nums which is sorted in ascending order, and an integer target, write a function to search target in nums. If target exists, then return its index. Otherwise, return -
Can you solve this real interview question? Binary Search Tree Iterator - Implement the BSTIterator class that represents an iterator over the in-order traversal [https://en.wikipedia.org/wiki/Tree_traversal#In-order_(LNR)] of a binary search tree (BST):
reference: http://yucoding.blogspot.ca/2015/10/leetcode-question-question-count.html 1deffindMiddleDepth(root):2ifroot:3root =root.right4depth =05while(root):6root =root.left7depth += 18returndepth9return01011ifnotroot:12return013#get height of tree h, the full binary tree height is (...
[Leetcode] Binary search--436. Find Right Interval Given a set of intervals, for each of the interval i, check if there exists an interval j whose start point is bigger than or equal to the end point of the interval i, which can be called that j is on the "right" of i. For an...
96. Unique Binary Search Trees (DP) Given n, how many structurally unique BST's (binary search trees) that store values 1 ... n? Example: 分析: 参考答案解法https://leetcode.com/problems/unique-binary-search-trees/solution/ G(n)是n个数字的BST个数,... ...
九章算法 第二节 二分查找 Binary Search 技术标签: 九章算法 二分查找1.二分法题目及思路 题目:给定一个排好序的证书数组nums,和一个整数target,寻找target在nums中任何一个/第一次出现/最后一次出现的位置,不存在return-1。 思路:基本上看到时间复杂度要求O(logN)基本就是要用二分法,二分法的本质是保留有解的...
1 0 14:23 App leetcode-1870. Minimum Speed to Arrive on Time -binary-search 2 0 12:16 App leetcode-2780. Minimum Index of a Valid Split - count-and-check 4 0 14:11 App leetcode-1401. Circle and Rectangle Overlapping - Google Interview Question, ...
node differ in height by no more than 1.英文版地址 https://leetcode.com/problems/balanced-...
https://leetcode.com/problems/convert-sorted-array-to-binary-search-tree/ 108. Convert Sorted Array to Binary Search Tree My Submissions Question Total Accepted:68378Total Submissions:187560Difficulty:Medium Given an array where elements are sorted in ascending order, convert it to a height balanced...
[LeetCode]Convert Sorted List to Binary Search Tree Question Given a singly linked list where elements are sorted in ascending order, convert it to a height balanced BST. 本题难度Medium。 【复杂度】 时间O(N) 空间 O(N) 【思路】 先求出单向链表的大小size,然后就是通过...