题目 Formation is very important when taking a group photo. Given the rules of forming K rows with N people as the following: The number of people in ea ...
                            
                            
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其他好文   时间:
2020-05-02 21:01:34   
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                                    This is a problem given in the Graduate Entrance Exam in 2018: Which of the following is NOT a topological order obtained from the given directed grap ...
                            
                            
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其他好文   时间:
2020-05-02 15:07:22   
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                                    验证前序遍历序列二叉搜索树。题意是给一个二叉搜索树的前序遍历的结果,请你验证这个结果是否正确。例子, Consider the following binary search tree: 5 / \ 2 6 / \ 1 3 Example 1: Input: [5,2,6,1,3] Output:  ...
                            
                            
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其他好文   时间:
2020-05-02 09:53:55   
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                                    It is possible to pass some values from the command line to your C programs when they are executed. These values are called command line arguments and ...
                            
                            
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其他好文   时间:
2020-05-01 10:45:42   
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                                    On Debian/Ubuntu Linux, gflags can be installed using the following command: On Debian/Ubuntu Linux, glog can be installed using the following command ...
                            
                            
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其他好文   时间:
2020-04-30 13:42:50   
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                                    Description Write an algorithm to determine if a number n is "happy". A happy number is a number defined by the following process: Starting with any p ...
                            
                            
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移动开发   时间:
2020-04-30 13:32:04   
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91
                             
                         
                    
                        
                            
                            
                                    一、一个变换 One transformation 实际场景:一排小方块排成一排,然后对折,把不能对折的小方块取出来。重复这项操作,直到小方块两两排成一列,这个过程中取出来的小方块就是这个变换的结果。 Real condition: Some small squares are arranged i ...
                            
                            
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其他好文   时间:
2020-04-30 13:24:15   
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                                    背景:本来就是一个记账的简单的应用,又添加了一些h5的页面,和一些弹框广告。 过程:在iOS上架之后,一直因为 Guideline 3.2.2 - Business - Other Business Model Issues - Unacceptable 被拒绝! 拒绝了四次,每次都是按照要求去修改 ...
                            
                            
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移动开发   时间:
2020-04-30 11:50:15   
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476
                             
                         
                    
                        
                            
                            
                                    The following is from Max Howell @twitter: Google: 90% of our engineers use the software you wrote (Homebrew), but you can't invert a binary tree on a ...
                            
                            
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其他好文   时间:
2020-04-28 16:57:01   
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57
                             
                         
                    
                        
                            
                            
                                ZAB协议是什么,为了解决什么事情。 ZAB协议是Zookeeper Atomic Broacdcast的缩写,译为原子广播协议。解决了zookeeper中事务的最终一致性。 ZAB协议的模式 当集群启动时,或者leader节点挂掉,ZAB协议就会进入到恢复模式,然后会选举出新的leader,当le ...
                            
                            
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其他好文   时间:
2020-04-27 15:02:39   
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71