2015年5月17日
[LeetCode][JavaScript]Valid Parentheses
摘要： Valid ParenthesesGiven a string containing just the characters'(',')','{','}','['and']', determine if the input string is valid.The brackets must clos... 阅读全文
posted @ 2015-05-17 16:44 `Liok 阅读(669) 评论(0) 推荐(0) 编辑
[LeetCode][JavaScript]Remove Nth Node From End of List
摘要： Remove Nth Node From End of ListGiven a linked list, remove thenthnode from the end of list and return its head.For example, Given linked list: 1->2... 阅读全文
posted @ 2015-05-17 16:28 `Liok 阅读(453) 评论(0) 推荐(0) 编辑
[LeetCode][JavaScript]Jump Game
摘要： Jump GameGiven an array of non-negative integers, you are initially positioned at the first index of the array.Each element in the array represents yo... 阅读全文
posted @ 2015-05-17 11:34 `Liok 阅读(520) 评论(0) 推荐(0) 编辑
2015年5月16日
[LeetCode][JavaScript]Longest Valid Parentheses
摘要： Longest Valid ParenthesesGiven a string containing just the characters'('and')', find the length of the longest valid (well-formed) parentheses substr... 阅读全文
posted @ 2015-05-16 17:22 `Liok 阅读(406) 评论(0) 推荐(0) 编辑
[LeetCode][JavaScript]Insert Interval
摘要： Insert IntervalGiven a set ofnon-overlappingintervals, insert a new interval into the intervals (merge if necessary).You may assume that the intervals... 阅读全文
posted @ 2015-05-16 16:49 `Liok 阅读(543) 评论(0) 推荐(0) 编辑
[LeetCode][SQL]Employees Earning More Than Their Managers
摘要： Employees Earning More Than Their ManagersTheEmployeetable holds all employees including their managers. Every employee has an Id, and there is also a... 阅读全文
posted @ 2015-05-16 16:38 `Liok 阅读(302) 评论(0) 推荐(0) 编辑
[LeetCode][SQL]Duplicate Emails
摘要： Duplicate EmailsWrite a SQL query to find all duplicate emails in a table namedPerson.+----+---------+| Id | Email |+----+---------+| 1 | a@b.com |... 阅读全文
posted @ 2015-05-16 16:36 `Liok 阅读(169) 评论(0) 推荐(0) 编辑
[LeetCode][SQL]Customers Who Never Order
摘要： Customers Who Never OrderSuppose that a website contains two tables, theCustomerstable and theOrderstable. Write a SQL query to find all customers who... 阅读全文
posted @ 2015-05-16 16:34 `Liok 阅读(191) 评论(0) 推荐(0) 编辑
[LeetCode][SQL]Delete Duplicate Emails
摘要： Delete Duplicate EmailsWrite a SQL query to delete all duplicate email entries in a table namedPerson, keeping only unique emails based on itssmallest... 阅读全文
posted @ 2015-05-16 16:32 `Liok 阅读(591) 评论(0) 推荐(0) 编辑
[LeetCode][SQL]Rising Temperature
摘要： Rising TemperatureGiven aWeathertable, write a SQL query to find all dates' Ids with higher temperature compared to its previous (yesterday's) dates.+... 阅读全文
posted @ 2015-05-16 16:30 `Liok 阅读(393) 评论(0) 推荐(0) 编辑