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题目Given an index k, return the kth row of the Pascal’s triangle.For example, given k = 3, Return [1,3,3,1].Note: Could you optimize your algo...    
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            posted @ 2015-10-09 21:33
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题目Given numRows, generate the first numRows of Pascal’s triangle.For example, given numRows = 5, Return分析构建数字金字塔,由上图可以清楚的找到规律。该题目可用递归实现!比较简单~...    
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            posted @ 2015-10-09 21:22
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题目Write an algorithm to determine if a number is “happy”.A happy number is a number defined by the following process: Starting with any posit...    
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            posted @ 2015-10-09 21:08
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简单的抓取网页import urllib.request url="http://google.cn/" response=urllib.request.urlopen(url) #返回文件对象page=response.read()直接将URL保存为本地文件impor...    
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            posted @ 2015-10-09 20:04
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一、cpu信息cpu信息存储在/proc文件系统的cpuinfo(/proc/cpuinfo)文件里,可以直接查看这个文件以获得cpu信息,所列字段解释如下:processor : 核心编号,如:0,1,2,3等。 vendor_id : ...    
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            posted @ 2015-10-09 10:49
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