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POJ3177Redundant Paths(边的双连通性,用vector时一定要去掉重边)
Redundant Paths Time Limit: 1000MS   Memory Limit: 65536K Total Submissions: 9118   Accepted: 3925 Description In order to get from one of the F (1 <= F <= 5,000) grazing...
分类:其他好文   时间:2014-08-13 19:03:27    阅读次数:264
Codeforces 75D Big Maximum Sum 最大子段和 dp
题目链接:点击打开链接 题意: 第一行 n m n个vector 下面n行 第一个数字u表示vector 的大小,然后后面u个数字给出这个vector 最后一行m个数字 表示把上面的vector拼接起来 得到一个大序列,求这个大序列的最大子段和 先预处理出每个vector的最大子段和,左起连续最大,右起连续最大,所有数的和 然后dp 一下。。 #include ...
分类:其他好文   时间:2014-08-13 18:55:07    阅读次数:266
Sqlserver中实现oralce 数据库的rownumber
引用自:http://cai555.javaeye.com/blog/466033方法1: with temp as ( select row_number() over(order by cityID) as rownum,cityName from city ) select * from te...
分类:数据库   时间:2014-08-13 18:34:16    阅读次数:243
leetcode 刷题之路 82 Partition List
Given a linked list and a value x, partition it such that all nodes less than x come before nodes greater than or equal to x. You should preserve the original relative order of the nodes in each of...
分类:其他好文   时间:2014-08-13 15:02:26    阅读次数:208
分页SQL代码
SELECT TOP 10 * FROM citys WHERE (city_id NOT IN (SELECT TOP 30 city_id FROM citys where country_id=44 and parent_id=0 ORDER BY city_id)) and country....
分类:数据库   时间:2014-08-13 12:35:16    阅读次数:190
POJ 1270 Following Orders
来源: http://poj.org/problem?id=1270 Following Orders Time Limit: 1000MS   Memory Limit: 10000K Total Submissions: 3812   Accepted: 1512 Description Order is an...
分类:Windows程序   时间:2014-08-13 10:32:05    阅读次数:343
[LeetCode] Subsets II
Given a collection of integers that might contain duplicates, S, return all possible subsets.Note:Elements in a subset must be in non-descending order...
分类:其他好文   时间:2014-08-13 00:38:14    阅读次数:281
yourphp超出20记录自动删除
$m = M('service_loginlog'); $res =$m->where('card_id='.$_SESSION['card_id'])->order('time desc')->select(); foreach($res as $k=>$v){ ...
分类:Web程序   时间:2014-08-12 18:30:14    阅读次数:270
Maven Build Life Cycle--reference
What is Build Lifecycle?ABuild Lifecycleis a well defined sequence of phases which define the order in which the goals are to be executed. Here phase ...
分类:其他好文   时间:2014-08-12 18:29:34    阅读次数:228
SQL中@@ROWCOUNT函数
返回受上一语句影响的行数。如果行数大于 20 亿,请使用ROWCOUNT_BIG。语法@@ROWCOUNT 返回类型 int注释Transact-SQL 语句可以通过下列方式设置@@ROWCOUNT 的值:将 @@ROWCOUNT 设置为受影响或被读取的行的数目。可以将行发送到客户端,也可以不发送。...
分类:数据库   时间:2014-08-12 18:09:24    阅读次数:337
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