Implement regular expression matching with support for '.' and '*'.'.' Matches any single character.'*' Matches zero or more of the preceding element.The matching should cover the entire input string...
分类:
其他好文 时间:
2015-02-15 15:12:47
阅读次数:
195
You are given two linked lists representing two non-negative numbers. The digits are stored in reverse order and each of their nodes contain a single ...
分类:
其他好文 时间:
2015-02-15 12:06:11
阅读次数:
140
欢迎大家阅读参考,如有错误或疑问请留言纠正,谢谢
Add Two Numbers
You are given two linked lists representing two non-negative numbers. The digits are stored in reverse order and each of their nodes contain a single dig...
分类:
其他好文 时间:
2015-02-14 17:35:31
阅读次数:
201
DescriptionA straight dirt road connects two fields on FJ’s farm, but it changes elevation more than FJ would like. His cows do not mind climbing up or down a single slope, but they are not fond of an...
分类:
其他好文 时间:
2015-02-14 15:02:57
阅读次数:
157
Given an array of integers, every element appears three times
except for one. Find that single one.
题意:有一个数组,只有一个数出现一次,其他的都出现三次,找出一次的数
思路:首先我们想到是每次把每一位二进制上1的个数都mod3,然后就能找出一个的了,但是这样空间太大了,所以我们想能记录...
分类:
其他好文 时间:
2015-02-13 22:31:19
阅读次数:
279
While data integrity is managed very effectively within a single database with row locking, deadlock detection, and roll-back features, distributed da...
分类:
其他好文 时间:
2015-02-13 16:16:08
阅读次数:
143
在面向对象的程序领域中,类与类之间是有继承关系的,例如Java世界中只需要extends关键字就可以确定这两个类的父子关系,但是在关系数据库中,有的知识关联关系。为了将继承映射到关系数据库中,Hibernate提供了3中方式
整个的继承体系就用一张表(single_table)注解:@Inheritance(strategy
=InheritanceType.SINGLE_TABL...
分类:
Web程序 时间:
2015-02-12 16:11:44
阅读次数:
126
一:单一职责原则(single Responsibility Principle) 接口尽量做到职责的单一性,类可以灵活设计,通过实现不同的接口来达到目的二:里氏替换原则 父类出现的地方,子类都可以出现。增强代码健壮性,版本升级时,即使增加子类,原有子类不受影响。每一个子类是一个业务实体,通过父.....
分类:
其他好文 时间:
2015-02-12 10:40:18
阅读次数:
159
uva 10706 Number Sequence
A single positive integer iis given. Write a program to find the digit located in the position
iin the sequence of number groups S1S2…Sk. Each group
Skconsists o...
分类:
其他好文 时间:
2015-02-12 09:22:27
阅读次数:
156
Implement wildcard pattern matching with support for'?'and'*'.'?' Matches any single character.'*' Matches any sequence of characters (including the e...
分类:
其他好文 时间:
2015-02-11 20:33:41
阅读次数:
153