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【Leetcode 338】 Counting Bits
恢复内容开始 问题描述:给出一个非负整数num,对[0, num]范围内每个数都计算它的二进制表示中1的个数 Example:For num = 5 you should return [0,1,1,2,1,2] 思路:这种题适合归纳法,找出规律然后用编程语言描述,令i从0开始,设f(i)为i对应二 ...
分类:其他好文   时间:2016-08-23 01:30:09    阅读次数:128
Two Sum
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 n ...
分类:其他好文   时间:2016-08-22 23:05:57    阅读次数:139
Leetcode_350_Intersection of Two Arrays II
Given two arrays, write a function to compute their intersection. Example: Given nums1 = [1, 2, 2, 1], nums2 = [2, 2], return [2, 2]. Note: Each element in the result should appear as many ti...
分类:其他好文   时间:2016-08-22 21:49:10    阅读次数:106
PSR-4 自动加载规范
关键词 “必须”(“MUST”)、“一定不可/一定不能”(“MUST NOT”)、“需要”(“REQUIRED”)、 “将会”(“SHALL”)、“不会”(“SHALL NOT”)、“应该”(“SHOULD”)、“不该”(“SHOULD NOT”)、 “推荐”(“RECOMMENDED”)、“可以”(“MAY”)和”可选“(“OPTIONAL”)的详细描述可参见 RFC 21191....
分类:其他好文   时间:2016-08-22 20:14:04    阅读次数:160
elasticSearch indices VS type
https://www.elastic.co/blog/index-vs-type Who has never wondered whether new data should be put into a new type of an existing index, or into a new in ...
分类:其他好文   时间:2016-08-22 19:54:13    阅读次数:235
csu 1553(RMQ+尺取法)
1553: Good subsequence Description Give you a sequence of n numbers, and a number k you should find the max length of Good subsequence. Good subsequen ...
分类:其他好文   时间:2016-08-21 18:14:40    阅读次数:136
24. Swap Nodes in Pairs
Given a linked list, swap every two adjacent nodes and return its head. For example, Given 1->2->3->4, you should return the list as 2->1->4->3. Your ...
分类:其他好文   时间:2016-08-21 13:39:27    阅读次数:128
C++ 之 Direct and Copy Forms of Initialization
Extraction from C++ Primer 5th. Editioin 3.2.1 C++ has several different forms of initialization, we should understand how these forms differ from one ...
分类:编程语言   时间:2016-08-21 00:36:15    阅读次数:212
JS - Document Object Model
The DOM specifies: how browsers should create a model of an HTML page. how JavaScript can access and update the contents of a web page while it is in ...
分类:Web程序   时间:2016-08-20 13:02:07    阅读次数:149
Maximum Subarray
Given an array of integers, find a contiguous subarray which has the largest sum. Notice The subarray should contain at least one number. Example Give ...
分类:其他好文   时间:2016-08-20 01:30:52    阅读次数:115
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