Cedric1993-优快云博客

原创读书笔记——《思维的乐趣matrix67数学笔记》

**锲子**最近上网搜资料的过程之中，突然发现了一个十分有意思的博客，博主叫matrix67，随着阅读博主的文章越多，越来越被博主所吸引，上网搜了一下博主的资料，才发现这个对数学问题有很深入理解的matrix67是一个文科生，。有意思，上网看到这本书是由matrix67写的后，就情不自禁的买来阅读了。本博客就用来记录这本书的笔记吧。作者来点简要介绍吧： Matrix67，真名顾森，重庆人，数学狂

2016-12-18 22:04:12 3551

原创 LeetCode005__Longest Palindromic Substring

1、引言还是国际惯例，先贴上leetcode上的原题： Given a string S, find the longest palindromic substring in S. You may assume that the maximum length of S is 1000, and there exists one unique longest palindromic substri

2016-09-13 11:30:35 337

转载在Python中实现你自己的推荐系统【转载】

【转载】现今，推荐系统被用来个性化你在网上的体验，告诉你买什么，去哪里吃，甚至是你应该和谁做朋友。人们口味各异，但通常有迹可循。人们倾向于喜欢那些与他们所喜欢的东西类似的东西，并且他们倾向于与那些亲近的人有相似的口味。推荐系统试图捕捉这些模式，以助于预测你还会喜欢什么东西。

2016-09-10 14:33:07 1414

原创 LeetCode004__Median of Two Sorted Arrays

国际惯例： here are two sorted arrays nums1 and nums2 of size m and n respectively.Find the median of the two sorted arrays. The overall run time complexity should be O(log (m+n)).Example 1: nums1 = [1,

2016-09-07 11:12:32 301

原创 LeetCode003__Longest Substring Without Repeating Characters

第一行留给国际惯例，放题目： Given a string, find the length of the longest substring without repeating characters.Examples: Given “abcabcbb”, the answer is “abc”, which the length is 3. Given “bbbbb”, the ans

2016-09-05 18:24:52 255

原创 LeetCode002__Add Two Numbers

照常题目先放上来： You are given two linked lists representing two non-negative numbers. The digits are stored in reverse order and each of their nodes contain a single digit. Add the two numbers and return it

2016-08-07 21:28:12 306 4

原创 LeetCode001__TWO SUM

**leetcode 第一题题目如下： Given an array of integers, return indices of the two numbers such that they add up to a specific target.You may assume that each input would have exactly one solution. Example:

2016-08-07 15:26:06 325