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【spoj705】 Distinct Substrings
【题目描述】给定一个字符串,计算其不同的子串个数。【输入格式】一行一个仅包含大写字母的字符串,长度=n或者所有后缀的排名都不同。 然后正常情况下k增加logN次,每次如果用计数排序只要O(N),一共O(NlogN)。 但是不会写计数排序啊QAQ。。所以用快排好了。。多加一个log,一般不会被卡的.....
分类:其他好文   时间:2015-03-30 22:58:49    阅读次数:277
[leetcode] N-Queens II
N-Queens IIFollow up for N-Queens problem.Now, instead outputting board configurations, return the total number of distinct solutions. 1 class Solutio...
分类:其他好文   时间:2015-03-30 16:17:44    阅读次数:141
SAP EDI Architecture (Inbound and Outbound process)
The SAP EDI process comprises two distinct processes.Outbound processInbound processThe Outbound ProcessThe outbound process sends documents from the ...
分类:其他好文   时间:2015-03-30 10:57:30    阅读次数:268
Distinct Subsequences
https://leetcode.com/problems/distinct-subsequences/Given a stringSand a stringT, count the number of distinct subsequences ofTinS.A subsequence of a ...
分类:其他好文   时间:2015-03-29 17:45:56    阅读次数:146
Distinct Subsequences
Distinct Subsequences问题:Given a stringSand a stringT, count the number of distinct subsequences ofTinS.A subsequence of a string is a new string which...
分类:其他好文   时间:2015-03-28 21:45:13    阅读次数:167
MYSQL语句中SELECT语句及其子句的执行顺序
SELECT语句的执行的逻辑查询处理步骤:(8)SELECT (9)DISTINCT(11) (1)FROM (3) JOIN (2) ON (4)WHERE (5)GROUP BY (6)WITH {CUBE | ROLLUP}(7)HAVING (10)ORDER BY 1.FROM2.ON.....
分类:数据库   时间:2015-03-28 15:41:07    阅读次数:196
[LeetCode 78] Subsets
题目链接:subsets import java.util.ArrayList; import java.util.Arrays; import java.util.List; /** * Given a set of distinct integers, S, return all possible subsets. Note: Elements in a su...
分类:其他好文   时间:2015-03-28 08:50:46    阅读次数:100
SQL语句的添加、删除、修改多种方法 —— 基本操作
添加、删除、修改使用db.Execute(Sql)命令执行操作╔----------------╗☆ 数据记录筛选 ☆╚----------------╝注意:单双引号的用法可能有误(没有测试)Sql = "Select Distinct 字段名 From 数据表"Distinct函数,查询数据库存...
分类:数据库   时间:2015-03-27 22:13:05    阅读次数:190
SQL Server数据库--》top关键字,order by排序,distinct去除重复记录,sql聚合函数,模糊查询,通配符,空值处理。。。。
top关键字:写在select后面字段的前面比如你要显示查询的前5条记录,如下所示:selecttop5*fromStudent一般情况下,top是和orderby连用的orderby用在表名的后面orderby后面就填你要按它排序的字段,是升序排序(从小到大排序)percent:百分比%=perc...
分类:数据库   时间:2015-03-21 12:33:23    阅读次数:155
LeetCode – Refresh – Longest Substring with At Most Two Distinct Characters
At first beginning, I was trying to use hash set to record the characters. But I found that was wrong.Because if there are couple same chars, when you...
分类:其他好文   时间:2015-03-20 08:06:07    阅读次数:164
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