Problem Description
A numeric sequence of ai is ordered if a1 < a2 < ... < aN. Let the subsequence of the given numeric sequence (a1, a2, ..., aN) be any sequence (ai1, ai2, ..., aiK), where 1 <= i1 ...
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其他好文 时间:
2014-07-25 11:04:41
阅读次数:
253
selectDISTINCTvend_idFROMproducts;DISTINCT去重复的值,必须放在列名前面selectprod_namefromproductsLIMIT5;限制结果LIMITLIMIT4OFFSET3:从行3开始取4行,==LIMIT3,4selectacct_key.acct_namefromeyou_mail.acct_key;直接取值数据库的表内容selectprod_namefromproductsOR..
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数据库 时间:
2014-07-24 23:45:04
阅读次数:
293
Subsequence
Time Limit: 1000MS
Memory Limit: 65536K
Total Submissions: 8403
Accepted: 3264
Description
A sequence of N positive integers (10 < N < 100 000), each of...
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其他好文 时间:
2014-07-24 10:27:40
阅读次数:
215
转载原文地址http://www.cnblogs.com/pumaboyd/archive/2008/04/20/1162376.html这周碰到了很多奇怪的问题,有些是莫名的低级错误,有些这是一直以来未发现的错误。其中这个RowNumber()这个问题就是这样。敬德兄写的底层负责自动生成T-SQL...
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数据库 时间:
2014-07-24 10:14:33
阅读次数:
187
Problem A: Tower of Cubes
In this problem you are given N colorful cubes each having a distinct weight. Each face of a cube is colored with one color. Your job is to build a tower using th...
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其他好文 时间:
2014-07-23 17:07:51
阅读次数:
251
http://acm.hdu.edu.cn/showproblem.php?pid=4632题意:一个字符串,有多少个subsequence是回文串。别人的题解:用dp[i][j]表示这一段里有多少个回文串,那首先dp[i][j]=dp[i+1][j]+dp[i][j-1],但是dp[i+1][j]...
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Web程序 时间:
2014-07-23 16:31:51
阅读次数:
365
Labeling Balls
Time Limit: 1000MS
Memory Limit: 65536K
Total Submissions: 10220
Accepted: 2838
Description
Windy has N balls of distinct weights from 1 unit to N unit...
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其他好文 时间:
2014-07-23 13:40:06
阅读次数:
210
地址:https://icpcarchive.ecs.baylor.edu/index.php?option=com_onlinejudge&Itemid=8&page=show_problem&problem=3799
Two star-crossed lovers want to meet. The two lovers are standing at distinct points in t...
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其他好文 时间:
2014-07-23 13:29:04
阅读次数:
242
Given a stringSand a stringT, count the number of distinct subsequences ofTinS.A subsequence of a string is a new string which is formed from the orig...
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其他好文 时间:
2014-07-23 12:36:06
阅读次数:
209
题目:Given a sorted linked list, delete all nodes that have duplicate numbers, leaving only distinct numbers from the original list.For example,Given 1....
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编程语言 时间:
2014-07-23 12:01:46
阅读次数:
312