Given an integern, return the number of trailing zeroes inn!.Note:Your solution should be in logarithmic time complexity.最初想法是计算里面能被5整除的数字的个数(因为能被2整除的...
                            
                            
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其他好文   时间:
2015-01-16 16:25:27   
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130
                             
                    
                        
                            
                            
                                为什么Hash函数 H(k) = k % m中 m 尽量不要为2的幂次
下面的截屏来自CLRS的11章 关于哈希函数的讨论
之前我就一直困惑,为什么
            When using the division method, we usually avoid certain values of m. For example, m should...
                            
                            
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其他好文   时间:
2015-01-16 13:06:56   
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                                3.1 依赖倒置原则的定义 依赖倒置原则(Dependence Inversion Principle,简称DIP)这个名字看着有点别扭,“依赖”还“倒置”,这到底是什么意思?依赖倒置原则的原始定义是:High level modules should not depend upon low lev...
                            
                            
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其他好文   时间:
2015-01-16 11:17:55   
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309
                             
                    
                        
                            
                            
                                Given an unsorted integer array, find the first missing positive integer.
For example,
Given [1,2,0] return 3,
and [3,4,-1,1] return 2.
Your algorithm should run in O(n) time and uses constant...
                            
                            
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其他好文   时间:
2015-01-16 10:05:38   
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136
                             
                    
                        
                            
                            
                                题目:Given an array of integers, find two numbers such that they add up to a specific target number.The function twoSum should return indices of the two...
                            
                            
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其他好文   时间:
2015-01-15 21:35:19   
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115
                             
                    
                        
                            
                            
                                Factorial Trailing ZeroesGiven an integern, return the number of trailing zeroes inn!.Note:Your solution should be in logarithmic time complexity.思路:不...
                            
                            
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其他好文   时间:
2015-01-15 15:57:13   
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158
                             
                    
                        
                            
                            
                                【题目】
Given an array of integers, find two numbers such that they add up to a specific target number.
The function twoSum should return indices of the two numbers such that they add up to the t...
                            
                            
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其他好文   时间:
2015-01-15 12:57:02   
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174
                             
                    
                        
                            
                            
                                Given an array of integers, every element appears twice except for one. Find that single one.
Note:
Your algorithm should have a linear runtime complexity. Could you implement it without using ext...
                            
                            
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其他好文   时间:
2015-01-15 11:05:40   
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207
                             
                    
                        
                            
                            
                                Given an array of integers, every element appears three times except for one. Find that single one.
Note:
Your algorithm should have a linear runtime complexity. Could you implement it without usi...
                            
                            
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其他好文   时间:
2015-01-15 11:03:15   
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157
                             
                    
                        
                            
                            
                                Given an array of integers, every element appears twice except for one. Find that single one.
Note:
Your algorithm should have a linear runtime complexity. Could you implement it without using ext...
                            
                            
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其他好文   时间:
2015-01-14 23:01:20   
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402