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ZOJ 3326 An Awful Problem (较清晰写法,附详细注解)
题目链接:http://acm.zju.edu.cn/onlinejudge/showProblem.do?problemCode=3326 题面: An Awful Problem Time Limit: 1 Second      Memory Limit: 32768 KB In order to encourage Hiqivenfin to study m...
分类:其他好文   时间:2015-04-22 22:20:29    阅读次数:138
【LeetCode】Convert Sorted Array to Binary Search Tree
Given an array where elements are sorted in ascending order, convert it to a height balanced BST....
分类:其他好文   时间:2015-04-22 20:43:17    阅读次数:122
【leetcode】Remove Element
Given an array and a value, remove all instances of that value in place and return the new length.The order of elements can be changed. It doesn't mat...
分类:其他好文   时间:2015-04-22 13:22:15    阅读次数:95
CodeIgniter 错误: In order to use the Session class you are required to set an encryption key
CodeIgniter SESSION 第一次用 session 遇到这个错误 ,说是要加一个密钥才可以使用,加就加吧,打开 config.php 找到以下代码/*|-------------------------------------------------------------------...
分类:其他好文   时间:2015-04-22 13:19:01    阅读次数:146
SQL系列教程
1、SQL教程01——linux下安装SQLite3 2、SQL教程02——SQL基本语句 3、SQL教程03——SQL标准数据类型 4、SQL教程04——alter:在已有的表中添加、修改或删除列 5、SQL教程05——insert、select、where 6、SQL教程06——运算符and和or 7、SQL教程07——order b...
分类:数据库   时间:2015-04-22 11:40:38    阅读次数:170
【leetcode】Sort Colors
Given an array withnobjects colored red, white or blue, sort them so that objects of the same color are adjacent, with the colors in the order red, wh...
分类:其他好文   时间:2015-04-22 11:18:11    阅读次数:94
oracle 随机数(转载)
http://blog.sina.com.cn/s/blog_6a01140c0100wimi.html1、从表中随机取记录select * from (select * from staff order by dbms_random.random)where rownum < 4表示从STAFF表...
分类:数据库   时间:2015-04-22 09:26:04    阅读次数:172
jqgrid的排序问题
今天是本人解决的一个小bug 所以写的粗略些。 问题是这样的ORDER BY a.$sidx $sord 当时本人排序时候没用jqgrid的默认排序(可能今天这个大家看不懂,很抱歉啊各位,今天主要是写给自己看的),而导致不能排序,排序时候一直提示问题。用火狐查看传递的参数后找到了问题所在。去掉a.....
分类:编程语言   时间:2015-04-21 23:57:51    阅读次数:645
POJ2184---Cow Exhibition(01背包变形)
Description “Fat and docile, big and dumb, they look so stupid, they aren’t much fun…” - Cows with Guns by Dana LyonsThe cows want to prove to the public that they are both smart and fun. In order t...
分类:其他好文   时间:2015-04-21 22:51:44    阅读次数:185
LeetCode【2】Add two numbers
You are given two linked lists representing two non-negative numbers. The digits are stored in reverse order and each of their nodes contain a single ...
分类:其他好文   时间:2015-04-21 22:22:16    阅读次数:128
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