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摘要: 转:http://www.chinakdd.com/article-oyU85v018dQL0Iu.html 前言: 找工作时(IT行业),除了常见的软件开发以外,机器学习岗位也可以当作是一个选择,不少计算机方向的研究生都会接触这个,如果你的研究方向是机器学习/数据挖掘之类,且又对其非常感兴趣的话, 阅读全文
posted @ 2016-09-14 22:30 wxquare 阅读(448) 评论(0) 推荐(0) 编辑
摘要: 转自:http://mp.weixin.qq.com/s?__biz=MzI3MTA0MTk1MA==&mid=2651987052&idx=3&sn=b6e756afd2186700d01e2dc705d37294&chksm=f121689dc656e18bef9dbd549830d5f6525 阅读全文
posted @ 2016-09-14 22:24 wxquare 阅读(2046) 评论(0) 推荐(0) 编辑
摘要: Given an absolute path for a file (Unix-style), simplify it. For example,path = "/home/", => "/home"path = "/a/./b/../../c/", => "/c" 阅读全文
posted @ 2016-09-14 16:47 wxquare 阅读(188) 评论(0) 推荐(0) 编辑
摘要: Given an array of words and a length L, format the text such that each line has exactly L characters and is fully (left and right) justified. You shou 阅读全文
posted @ 2016-09-13 23:48 wxquare 阅读(182) 评论(0) 推荐(0) 编辑
摘要: Validate if a given string is numeric. Some examples:"0" => true" 0.1 " => true"abc" => false"1 a" => false"2e10" => true Note: It is intended for the 阅读全文
posted @ 2016-09-13 21:56 wxquare 阅读(196) 评论(0) 推荐(0) 编辑
摘要: You are given a string, s, and a list of words, words, that are all of the same length. Find all starting indices of substring(s) in s that is a conca 阅读全文
posted @ 2016-09-13 15:27 wxquare 阅读(157) 评论(0) 推荐(0) 编辑
摘要: Given a string S, you are allowed to convert it to a palindrome by adding characters in front of it. Find and return the shortest palindrome you can f 阅读全文
posted @ 2016-09-13 10:41 wxquare 阅读(216) 评论(0) 推荐(0) 编辑
摘要: Given a list of unique words. Find all pairs of distinct indices (i, j) in the given list, so that the concatenation of the two words, i.e.words[i] + 阅读全文
posted @ 2016-09-12 11:13 wxquare 阅读(185) 评论(0) 推荐(0) 编辑
摘要: A message containing letters from A-Z is being encoded to numbers using the following mapping: Given an encoded message containing digits, determine t 阅读全文
posted @ 2016-09-11 22:01 wxquare 阅读(231) 评论(0) 推荐(0) 编辑
摘要: 似然函数 对数似然函数 最大似然估计法 请点击最大似然估计法PPT 阅读全文
posted @ 2016-09-11 10:31 wxquare 阅读(745) 评论(0) 推荐(0) 编辑
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