Given a non-negative integer num, repeatedly add all its digits until the result has only one digit. For example: Given num = 38, the process is like: ...
                            
                            
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其他好文   时间:
2016-07-14 15:03:35   
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122
                             
                         
                    
                        
                            
                            
                                    date:2016-07-11 今天开始注册了kaggle,从digit recognizer开始学习, 由于是第一个案例对于整个流程目前我还不够了解,首先了解大神是怎么运行怎么构思,然后模仿。这样的学习流程可能更加有效,目前看到排名靠前的是用TensorFlow。ps:TensorFlow是可以直 ...
                            
                            
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其他好文   时间:
2016-07-12 18:59:32   
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259
                             
                         
                    
                        
                            
                            
                                Let's play a card game called Gap. You have 28 cards labeled with two-digit numbers. The first digit (from 1 to 4) represents the suit of the card, an ...
                            
                            
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其他好文   时间:
2016-07-11 17:02:41   
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165
                             
                         
                    
                        
                            
                            
                                *匹配任意长度的任意字符?匹配任意单个字符[0-9]匹配所有数字[]匹配指定范围内的任意单个字符[^]匹配指定范围外的任意单个字符[wxc]匹配列表中的任何的一个字符[^wxc]匹配列表中的所有字符以外的字符预定义的字符类:#man7glob[[:digit:]]:任意数字,相当于0-9[[:lower:]]:任..
                            
                            
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系统相关   时间:
2016-07-11 01:34:43   
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299
                             
                         
                    
                        
                            
                            
                                Given a non-negative number represented as an array of digits, plus one to the number. The digits are stored such that the most significant digit is a ...
                            
                            
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其他好文   时间:
2016-07-11 00:57:45   
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174
                             
                         
                    
                        
                            
                            
                                Description You have a grid of n rows and n columns. Each of the unit squares contains a non-zero digit. You walk from the top-left square to the bott ...
                            
                            
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其他好文   时间:
2016-07-09 16:14:20   
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216
                             
                         
                    
                        
                            
                            
                                    public class Tool { private static final String UNIT = "万千佰拾亿千佰拾万千佰拾元角分"; private static final String DIGIT = "零壹贰叁肆伍陆柒捌玖"; private static final doubl ...
                            
                            
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编程语言   时间:
2016-07-08 18:08:38   
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202
                             
                         
                    
                        
                            
                            
                                Count the number of k's between 0 and n. k can be 0 - 9. Count the number of k's between 0 and n. k can be 0 - 9. Count the number of k's between 0 an ...
                            
                            
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其他好文   时间:
2016-07-06 09:52:13   
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180
                             
                         
                    
                        
                            
                            
                                题目描述: Given a digit string, return all possible letter combinations that the number could represent. 解题分析: 回溯法的典型应用,用一个数据结构表示出按键与其表示字母的对应关系,直接用回溯法做即可。 ...
                            
                            
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其他好文   时间:
2016-07-05 01:02:26   
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171
                             
                         
                    
                        
                            
                            
                                    Problem Description A DFS(digital factorial sum) number is found by summing the factorial of every digit of a positive integer. For example ,consider  ...
                            
                            
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其他好文   时间:
2016-07-04 23:26:56   
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264