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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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题目Reverse a linked list from position m to n. Do it in-place and in one-pass.For example: Given 1->2->3->4->5->NULL, m = 2 and n = 4,return 1...
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posted @ 2015-10-08 16:37
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题目Given a collection of integers that might contain duplicates, nums, return all possible subsets.Note: Elements in a subset must be in non-d...
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posted @ 2015-10-08 13:32
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题目Given a 2D board and a word, find if the word exists in the grid.The word can be constructed from letters of sequentially adjacent cell, wh...
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posted @ 2015-10-07 18:18
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题目Given two words word1 and word2, find the minimum number of steps required to convert word1 to word2. (each operation is counted as 1 step....
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posted @ 2015-10-05 14:38
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题目Given a collection of candidate numbers (C) and a target number (T), find all unique combinations in C where the candidate numbers sums to ...
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posted @ 2015-10-04 17:28
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题目Given a set of candidate numbers (C) and a target number (T), find all unique combinations in C where the candidate numbers sums to T.The s...
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posted @ 2015-10-04 17:03
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