摘要： 转载请注明来自http://www.cnblogs.com/pengyu2003/p/4864918.html1.redis介绍Redis是一个开源的使用ANSIC语言编写、支持网络、可基于内存亦可持久化的日志型、Key-Value数据库，并提供多种语言的API。2.阻塞队列使用非阻塞队列的时候有一... 阅读全文

摘要： 一个枚举类型的数值可权充int被利用class GamePlayer{ enum { NumTurns = 5}; ... int scores[NumTurns];} 阅读全文

摘要： Divide two integers without using multiplication, division and mod operator.题的思路不难，但是没有注意数据的大小问题。之前一直用int做，一直不能通过。换成long long才通过。class Solution {publi... 阅读全文

摘要： Given a 2D board containing'X'and'O', capture all regions surrounded by'X'.A region is captured by flipping all'O's into'X's in that surrounded region... 阅读全文

摘要： Suppose a sorted array is rotated at some pivot unknown to you beforehand.(i.e.,0 1 2 4 5 6 7might become4 5 6 7 0 1 2).You are given a target value t... 阅读全文

摘要： Given a binary tree, return thezigzag level ordertraversal of its nodes' values. (ie, from left to right, then right to left for the next level and al... 阅读全文

摘要： 从三月下旬到4月21号，断断续续一个月的超长电面现场面，终于告一段落。最终结果要到5月才能等到。简单记录一下这段经历，希望对其他人有帮助。我的阿里实习是走的内推的线路，不过这线路着实坑……本人先后经历3轮电面、1轮笔试和1轮现场面，其中现场面试技术面+hr面。总之被面的欲仙欲死，很多很牛的小伙伴都被... 阅读全文

摘要： Givennnon-negative integers representing an elevation map where the width of each bar is 1, compute how much water it is able to trap after raining.Fo... 阅读全文

摘要： Given an array of non-negative integers, you are initially positioned at the first index of the array.Each element in the array represents your maximu... 阅读全文

摘要： Givens1,s2,s3, find whethers3is formed by the interleaving ofs1ands2.For example,Given:s1="aabcc",s2="dbbca",Whens3="aadbbcbcac", return true.Whens3="... 阅读全文