Leetcode-Database-176-Second Highest Salary-Easy(转) | 300 | +---+---+ 看到这个问题,可能很多人会想,这很简单啊,写个order by desc,然后找到第二个即可。 select Salary from Employee order by Salary desc limit 1,1 试试提交呗?Wrong answer,为什么?看条件约束啊,没有第二要返回null,我看到...
Runtime: 257 ms, faster than 37 % Memory Usage: N/A 完成日期:07/02/2019 关键点:n/a # Write your MySQL query statement belowSELECTname, population, areaFROMWorldWHEREarea>3000000ORpopulation>25000000; 参考资料:n/a LeetCode 题目列表 -LeetCode Questions List...
题目:https://leetcode-cn.com/explore/interview/card/top-interview-questions-easy/1/array/25/ 题目描述: 给定一个非空整数数组,除了某个元素只出现一次以外,其余每个元素均出现两次。找出那个只出现了一次的元素。 说明: 你的算法应该具有线性时间复杂度。 你可以不使用额外空间来实现吗? 示例 1: 示例 .....
LeetCode is a popular online platform that provides programming and technical interview questions. The site features challenges across a range of difficulties, focusing on algorithms, data structures, and other computer science fundamentals. LeetCode helps users enhance their coding skills, prepare for ...
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Repository files navigation README Leetcode-Solutions This repositary includes (most of) original answers of Leetcode Questions for reference. LeetCode Account : https://leetcode.com/user2667O/About No description, website, or topics provided. Resources Readme Activity Stars 0 stars Watchers...
Up to date (2016-12-18), there are 447 Algorithms / 13 Database / 4 Shell / 4 Draft questions on LeetCode Online Judge. The number of questions is increasing recently. Here is the classification of all 468 questions. For more questions and solutions, you can see my LintCode repository...
至于能不能过最终的 live coding, 这个就要结合 behavior questions 了。大厂对于 leadership 还是很看重...
截止2020年3月26日02:36,Leetcode的Algorithm部分(包括付费题目)总共1277题,Database部分(包括付费题目)总共102题。 // As of the moment 02:36, 2020.3.26, there're altogether 1277 problems in the Algorithm section of Leetcode, 102 problems in the Database section of Leetcode....