Description：Given a non-negative integernum, repeatedly add all its digits until the result has only one digit.For example:Givennum = 38, the process ...
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其他好文 时间：
2015-08-20 22:31:12
阅读次数：
241
之前写过两篇文章，分别是
1）矩阵分解的综述：scikit-learn：2.5.矩阵因子分解问题
2）关于TruncatedSVD的简单介绍：scikit-learn：通过TruncatedSVD实现LSA（隐含语义分析）
今天发现NMF也是一个很好很实用的模型，就简单介绍一下，它也属于scikit-learn：2.5.矩阵因子分解问题的一部分。
NMF是另一种压缩方法，前...
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其他好文 时间：
2015-08-20 10:42:03
阅读次数：
285
Given a non-negative integernum, repeatedly add all its digits until the result has only one digit.For example:Givennum = 38, the process is like:3 + ...
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其他好文 时间：
2015-08-19 19:36:09
阅读次数：
115
Given a non-negative integer num, repeatedly add all its digits until the result has only one digit.For example:Given num = 38, the process is like: 3...
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其他好文 时间：
2015-08-19 00:30:45
阅读次数：
126
Problem Description
Teacher Mai is in a maze with n rows
and m columns.
There is a non-negative number in each cell. Teacher Mai wants to walk from the top left corner (1,1) to
the bottom rig...
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其他好文 时间：
2015-08-18 22:54:44
阅读次数：
232
1 题目
You are giventwo linked lists representing two non-negative numbers. The digits are storedin reverse order and each of their nodes contain a single digit. Add the twonumbers and return it as a l...
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其他好文 时间：
2015-08-18 22:47:47
阅读次数：
204
题目Given a non-negative number represented as an array of digits, plus one to the number.The digits are stored such that the most significant digit is at the head of the list.分析该题目要求：将一整数按位存储在vector中，对其...
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其他好文 时间：
2015-08-18 16:19:01
阅读次数：
129
Given a non-negative integernum, repeatedly add all its digits until the result has only one digit.For example:Givennum = 38, the process is like:3 + ...
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其他好文 时间：
2015-08-18 16:05:11
阅读次数：
164
//https://leetcode.com/problems/number-of-digit-one/Given an integer n, count the total number of digit 1 appearing in all non-negative integers less ...
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其他好文 时间：
2015-08-17 23:24:33
阅读次数：
136
Given a non-negative integernum, repeatedly add all its digits until the result has only one digit.For example:Givennum = 38, the process is like:3 + ...
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编程语言 时间：
2015-08-17 19:08:01
阅读次数：
117
