You are climbing a stair case. It takes n steps to reach to the top. Each time you can either climb 1 or 2 steps. In how many distinct ways can you cl ...
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其他好文 时间：
2019-12-13 14:08:00
阅读次数：
76
LC接口光模块是指接口采用LC连接器的光模块，通常与LC光纤跳线搭配使用。
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其他好文 时间：
2019-12-12 20:01:20
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665
Given a binary tree containing digits from 0-9 only, each root-to-leaf path could represent a number. An example is the root-to-leaf path 1->2->3 whic ...
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其他好文 时间：
2019-12-12 13:14:24
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93
Write an efficient algorithm that searches for a value in an m x n matrix. This matrix has the following properties: Integers in each row are sorted i ...
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其他好文 时间：
2019-12-11 13:25:42
阅读次数：
104
Write an efficient algorithm that searches for a value in an m x n matrix. This matrix has the following properties: Integers in each row are sorted f ...
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其他好文 时间：
2019-12-11 13:23:05
阅读次数：
92
一、Mac下SVN操作checkout文件到本地svn checkout https://xxx --username xx --password xxsvn checkout https://xxx --username xx --password xx /Users/lc/workspace 更 ...
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系统相关 时间：
2019-12-10 22:11:37
阅读次数：
127
Design a hit counter which counts the number of hits received in the past 5 minutes. Each function accepts a timestamp parameter (in seconds granulari ...
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其他好文 时间：
2019-12-09 14:13:31
阅读次数：
99
Given an integer array nums, find the sum of the elements between indices i and j (i ≤ j), inclusive. Example: Given nums = [-2, 0, 3, -5, 2, -1] sumR ...
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其他好文 时间：
2019-12-09 01:19:59
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86
Design a logger system that receive stream of messages along with its timestamps, each message should be printed if and only if it is not printed in t ...
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其他好文 时间：
2019-12-09 01:11:40
阅读次数：
98
Design a data structure that supports the following two operations: void addWord(word) bool search(word) search(word) can search a literal word or a r ...
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其他好文 时间：
2019-12-08 12:46:54
阅读次数：
66
