Best Time to Buy and Sell StockSay you have an 
array for which theithelement is the price of a given stock on dayi.If you were 
only permitted to compl...
                            
                            
                                分类:
其他好文   时间:
2014-05-12 05:56:14   
                                阅读次数:
315
                             
                         
                    
                        
                            
                            
                                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 n...
                            
                            
                                分类:
其他好文   时间:
2014-05-11 06:46:32   
                                阅读次数:
366
                             
                         
                    
                        
                            
                            
                                题目描述There is a grid size of 1*N. The spanning tree 
of the grid connects all the vertices of the grid only with the edges of the 
grid, and every vertex...
                            
                            
                                分类:
其他好文   时间:
2014-05-10 19:00:03   
                                阅读次数:
337
                             
                         
                    
                        
                            
                            
                                测试webservice的时候,如果出现这个错误:"The test form is only 
available for requests from the local machine" 在web.config中加入以下配置,就可以解决问题。 
也就是说,在默认情况下,...
                            
                            
                                分类:
Web程序   时间:
2014-05-10 02:24:13   
                                阅读次数:
352
                             
                         
                    
                        
                            
                            
                                Crossing River
Time Limit: 1000MS
 
Memory Limit: 10000K
Total Submissions: 10218
 
Accepted: 3859
Description
A group of N people wishes to go across a river with only...
                            
                            
                                分类:
其他好文   时间:
2014-05-09 14:51:43   
                                阅读次数:
257
                             
                         
                    
                        
                            
                            
                                Say you have an array for which theithelement 
is the price of a given stock on dayi.If you were only permitted to complete at 
most one transaction (ie...
                            
                            
                                分类:
其他好文   时间:
2014-05-09 13:13:02   
                                阅读次数:
283
                             
                         
                    
                        
                            
                            
                                Power of CryptographyDescriptionCurrent work in 
cryptography involves (among other things) large prime numbers and computing 
powers of numbers among t...
                            
                            
                                分类:
其他好文   时间:
2014-05-09 03:43:36   
                                阅读次数:
260
                             
                         
                    
                        
                            
                            
                                No architectures to compile for 
(ONLY_ACTIVE_ARCH=YES, active arch=armv7, VA运行报错出现的原因:armv7s是应用在iPhone 5/5c/5s 
A6 的架构上的解决的方式:1,在Project target里“Archit...
                            
                            
                                分类:
其他好文   时间:
2014-05-08 23:06:49   
                                阅读次数:
439
                             
                         
                    
                        
                            
                            
                                这道题采用穷举法。 1 /** 2 * Given a string containing only 
digits, 3 * restore it by returning all possible valid IP address combinations. 
4 ...
                            
                            
                                分类:
其他好文   时间:
2014-05-08 09:17:22   
                                阅读次数:
248
                             
                         
                    
                        
                            
                            
                                在Linux系统中,有一个很重要的目录——/usr目录。关于这个目录名称的由来,网上主要有下面几种说法:user的缩写User Shareable 
Read-only的缩写Unix/User System Resources的缩写Unix/User Software Resources的缩写目前大多...
                            
                            
                                分类:
系统相关   时间:
2014-05-08 09:07:43   
                                阅读次数:
347