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nyoj 927 The partial sum problem
The partial sum problem时间限制:1000 ms | 内存限制:65535 KB 难度:2描述One day,Tom’s girlfriend give him an array A which contains N integers and asked him:Can you...
分类:其他好文   时间:2014-07-16 19:24:53    阅读次数:181
Set,List和Map
java的集合一般指的就是java.util.Collection的子类。java的映射一般指的就是java.util.Map的子类。我们没有必要去看所有的API,但是基本的方法还是应该知道的。集合中包含的方法:size()isEmpty()contains(Object)iterator()toA...
分类:其他好文   时间:2014-07-15 23:35:32    阅读次数:294
List exercise
The slice operator can take a third argument that determines the step size, so t[::2] creates a list that contains every other element from t. If the ...
分类:其他好文   时间:2014-07-15 09:12:42    阅读次数:328
ojdbc jdbc jar文件介绍
- ojdbc6.jarClasses for use with JDK 1.6. It contains the JDBC driver classesexcept classes for NLS support in Oracle Object and Collectiontypes.- ojd...
分类:数据库   时间:2014-07-14 23:54:06    阅读次数:631
MySQL:ONDUPLICATEKEYUPDATE用法
如果在INSERT语句末尾指定了ON DUPLICATE KEY UPDATE,并且插入行后会导致在一个UNIQUE索引或PRIMARY KEY中出现重复值,则执行旧行UPDATE;如果不会导致唯一值列重复的问题,则插入新行。例如,如果列a被定义为UNIQUE,并且包含值1,则以下 两个语句具有相同...
分类:数据库   时间:2014-07-14 21:20:17    阅读次数:351
can't locate ExtUtils/MakeMaker.pm in @INC
[root@luozhonghua FCGI-0.71]# perl Makefile.PL       can't locate ExtUtils/MakeMaker.pm in @INC (@INC contains: /usr/local/lib/perl5 /usr/local/share/perl5 /usr/lib/perl5/vendor_perl /usr/share/perl5...
分类:其他好文   时间:2014-07-13 18:32:48    阅读次数:281
Validate Binary Search Tree
Given a binary tree, determine if it is a valid binary search tree (BST). Assume a BST is defined as follows: The left subtree of a node contains only nodes with keys less than the node's key.Th...
分类:其他好文   时间:2014-07-13 16:53:01    阅读次数:189
[ACM] POJ 1218 THE DRUNK JAILER (关灯问题)
THE DRUNK JAILER Time Limit: 1000MS   Memory Limit: 10000K Total Submissions: 23246   Accepted: 14641 Description A certain prison contains a long hall of n cells, each rig...
分类:其他好文   时间:2014-07-13 13:46:41    阅读次数:265
Pku1218
/* A - THE DRUNK JAILER Time Limit:1000MS Memory Limit:10000KB 64bit IO Format:%I64d & %I64u Submit Status Practice POJ 1218 Description A certain prison contains a long hall of n cells, ea...
分类:其他好文   时间:2014-07-12 18:16:27    阅读次数:219
LeetCode :: Validate Binary Search Tree[详细分析]
Given a binary tree, determine if it is a valid binary search tree (BST). Assume a BST is defined as follows: The left subtree of a node contains only nodes with keys less than the node's key.Th...
分类:其他好文   时间:2014-07-12 17:26:31    阅读次数:256
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