Background
Problems that require minimum paths through some domain appear in many different areas of computer science. For example, one of the constraints in VLSI routing problems is minimizing wire ...
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其他好文 时间:
2014-08-18 00:20:23
阅读次数:
331
在刚刚写完代码的时候才发现我以前交过这道题,可是没有过。后来因为不理解代码,于是也就不了了之了。可说呢,那时的我哪知道什么DFS深搜的东西啊,而且对递归的理解也很肤浅。这道题应该算HDU 2610 Sequence one的简化版,判重也非常简单。其他也没有什么好说的了,直接上代码吧。 1 //#d...
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其他好文 时间:
2014-08-18 00:07:03
阅读次数:
207
HAS_ONE(值得注意的是,这是主动关联,外键必须是被关联的表): 1 array(//关联的数据表 7 'mapping_type'=>self::HAS_ONE,//一对一 8 'class_name' => 'artag',//关...
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Web程序 时间:
2014-08-17 22:40:02
阅读次数:
407
在java中,单例设计模式是非常常见的设计模式,对单例设计模式的概念,不做过多的介绍,下面将逐一介绍四种单例设计模式:1、第一种单例设计模式1.1代码实现packagecom.singleton.one;
/**
*第一种单例设计模式
*@authorAdministrator
*
*/
publicclassSingleTonOne{
//实例化..
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编程语言 时间:
2014-08-17 17:11:13
阅读次数:
306
Word Segmenting
Time Limit: 5 Seconds
Memory Limit: 32768 KB Special Judge
One key technology in Chinese search engine is Word Segmenting, which is more difficult than English Word Segmenting...
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其他好文 时间:
2014-08-17 17:06:42
阅读次数:
364
Treblecross is a two player gamewhere the goal is to get three X in a row on a one-dimensional board. At the startof the game all cells in the board is empty. In each turn a player puts a X in an empt...
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其他好文 时间:
2014-08-17 17:03:33
阅读次数:
358
We have seen built-in functions that take a variable number of arguments. For example range can take one, two or three arguments.It is possible to wri...
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其他好文 时间:
2014-08-17 16:52:32
阅读次数:
272
Cross-domain security for data vault is described. At least one database is accessible from a plurality of network domains, each network domain having...
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其他好文 时间:
2014-08-17 16:46:53
阅读次数:
297
搜索虐我千百遍,我待搜索。。。好吧,我还木有初恋题意:我开始理解题意就理解偏了,Orz题中有n个元素构成的序列,求出前p个非递减子序列。子序列是先按长度排序的,然后按原序列先后位置排序的。这里的非递减是指子序列中从左到右元素大小的值不减,对,就是这我理解错了。如果p>所有符合要求的子序列的个数,那么...
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其他好文 时间:
2014-08-17 16:45:42
阅读次数:
216
ZOJ Problem Set - 1456
Minimum Transport Cost
Time Limit: 2 Seconds
Memory Limit: 65536 KB
These are N cities in Spring country. Between each pair of cities there may be one transportat...
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其他好文 时间:
2014-08-17 15:36:22
阅读次数:
193