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):
[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...
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 (...
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, ...
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...
leetcode | 95. Unique Binary Search Trees Ⅱ 题目Given an integer n, generate all structurally unique BST’s (binary search trees) that store values 1 … n. Example: Explanation: 思路与解法 题目的意思很明确:给定输入数据n,让我们输出所有的存储1-n的二叉搜索树。 我们知道二叉树由左子树、.....
node differ in height by no more than 1.英文版地址 https://leetcode.com/problems/balanced-...
[LeetCode]Unique Binary Search Trees Question Given n, how many structurally unique BST’s (binary search trees) that store values 1…n? For example, Given n = 3, there are a total of 5 unique BST’s. 1 3 3 2 1 \ / / / \ \...
leetcode_question_114 Flatten Binary Tree to Linked List,Givenabinarytree,flattenittoalinkedlistin-place.Forexample,Given1/\25/\\346Theflattenedtreeshouldlooklike:1\2\3\4\5\6Hints:Ifyounoticecareful...