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Leetcode#19Remove Nth Node From End of List
Givenalinkedlist,removethenthnodefromtheendoflistandreturnitshead.Forexample,Givenlinkedlist:1->2->3->4->5,andn=2. Afterremovingthesecondnodefromtheend,thelinkedlistbecomes1->2->3->5.问题分析,n的取值可能为1(删除最后一个),5(删除第一..
分类:其他好文   时间:2015-04-29 11:57:00    阅读次数:182
解题报告 之 POJ2135 Farm Tour
POJ2135 Farm Tour 最大流 最小费用流 When FJ's friends visit him on the farm, he likes to show them around. His farm comprises N (1 <= N <= 1000) fields numbered 1..N, the first of which contains his house and the Nth of which contains the big barn. A total M (1 <...
分类:其他好文   时间:2015-04-29 11:54:17    阅读次数:151
[LeetCode]Nth Highest Salary,解题报告
题目Write a SQL query to get the nth highest salary from the Employee table. Id Salary 1 100 2 200 3 300 For example, given the above Employee table, the nth highest salary where n = 2 is...
分类:其他好文   时间:2015-04-28 14:17:49    阅读次数:99
:nth-child :nth-last-child 和 :last-child
:nth-child(n) 选择器匹配属于其父元素的第 N 个子元素,不论元素的类型。n可以是数字、关键词或公式。p:nth-child(2) 可以理解为:如果 p 的父元素的第2个子元素是 p,那么为这个 p 单独设置样式注意:括号里面是从1开始的使用公式 (an+b)。描述:表示周期的长度,n ...
分类:其他好文   时间:2015-04-27 12:51:51    阅读次数:125
java学习笔记(六)继承
继承是面向对象编程中最重要的特征之一,它允许通过继承一个已经存在的类,来编写一个新类。已有的类称为父类,也可以称为基类,超类,新类称为子类也称为派生类。继承使用关键字extends,用在类名之后,例:public void class salary extends Employee(){}子类sal...
分类:编程语言   时间:2015-04-25 22:28:03    阅读次数:175
[LeetCode]Department Highest Salary,解题报告
题目The Employee table holds all employees. Every employee has an Id, a salary, and there is also a column for the department Id. Id Name Salary DepartmentId 1 Joe 70000 1 2 Henry 80...
分类:其他好文   时间:2015-04-25 12:17:23    阅读次数:166
CSS3中 E:nth-child(n) VS E:nth-of-type(n)
一直不太明白 E:nth-child(n)和E:nth-of-type(n)的区别。今天花时间研究了一下,终于知道了它们之间的相同点和差异点。总结如下,以防时间长了,忘记了都是从E的父元素往下看,且n都是从1开始的但E:nth-child(n)选择的是第n个子元素,且类型为E而E:nth-of-ty...
分类:Web程序   时间:2015-04-24 14:10:54    阅读次数:109
从链表的末端开始,删除第n个节点
Given a linked list, remove the?nth?node from the end of list and return its head. For example, ???Given?linked?list:?1->2->3->4->5,?and?n?=?2. ???After?removing?the?second?nod...
分类:其他好文   时间:2015-04-24 12:47:55    阅读次数:148
Elevator
Problem Description The highest building in our city has only one elevator. A request list is made up with N positive numbers. The numbers denote at which floors the elevator will stop, in specified ...
分类:其他好文   时间:2015-04-24 12:37:35    阅读次数:123
Informatica 常用组件Filter之 过滤条件
过滤条件可以使用转换语言输入。过滤条件是返回 TRUE 或 FALSE 的表达式。例如,如果您要过滤出员工薪水低于 $30,000 的行,可输入以下条件:SALARY > 30000 可以使用 AND 和 OR 逻辑运算符来指定多个条件组合。如果要过滤掉薪水低于 $30,000 和多于 $100.....
分类:其他好文   时间:2015-04-24 12:06:04    阅读次数:148
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