AntonyXux-CSDN博客

问题描述：Given a string, determine if it is a palindrome, considering only alphanumeric characters and ignoring cases.For example,"A man, a plan, a canal: Panama" is a palindrome."race a car"

2014-05-15 09:42:22 443

原创 2048-jquery版

两个晚上做了一个2048，还不是很完善，但是

2014-05-12 00:27:35 1068

原创 leetcode-Validate Binary Search Tree

题目描述：Given a binary tree, determine if it is a valid binary search tree (BST).Assume a BST is defined as follows:The left subtree of a node contains only nodes with keys less than the node

2014-05-11 23:16:56 460

原创 leetcode-Reverse Words in a String

问题描述：Given an input string, reverse the string word by word.For example,Given s = "the sky is blue",return "blue is sky the".zhiqian

2014-05-05 16:52:14 491

原创 leetcode-Merge Sorted Array

问题描述：Given two sorted integer arrays A and B, merge B into A as one sorted array.Note:You may assume that A has enough space (size that is greater or equal to m + n) to hold additional eleme

2014-05-05 10:40:09 327

原创 leetcode-Set Matrix Zeroes

问题描述：Given a m x n matrix, if an element is 0, set its entire row and column to 0. Do it in place.Follow up:Did you use extra space?A straight forward solution using O(mn) space is probabl

2014-05-05 09:02:43 377

原创 leetcode-Climbing Stairs

题目描述：You are climbing a stair case. It takes n steps to reach to the top.Each time you can either climb 1 or 2 steps. In how many distinct ways can you climb to the top?做了半天，就是运行不起来，最后heng

2014-05-05 00:17:00 449

原创 leetcode-Valid Number

问题描述：Validate if a given string is numeric.Some examples:"0" => true" 0.1 " => true"abc" => false"1 a" => false"2e10" => trueNote: It is intended for the problem statement to b

2014-05-04 22:02:26 629

原创 leetcode-Insert Interval

问题描述：Given a set of non-overlapping intervals, insert a new interval into the intervals (merge if necessary).You may assume that the intervals were initially sorted according to their start

2014-05-04 20:50:47 446

原创 leetcode-Merge Intervals

描述：Given a collection of intervals, merge all overlapping intervals.For example,Given [1,3],[2,6],[8,10],[15,18],return [1,6],[8,10],[15,18].找出公共区间

2014-05-04 19:05:36 449

原创 leetcode-Implement strStr()

问题描述：mplement strStr().Returns a pointer to the first occurrence of needle in haystack, or null if needle is not part of haystack.实现strStr（

2014-05-04 15:26:41 402

原创 leetcode-Merge Two Sorted Lists

描述：Merge two sorted linked lists and return it as a new list. The new list should be made by splicing together the nodes of the first two lists.将两个已经排序好的链表heb

2014-05-04 11:12:05 368

原创 leecode-Valid Parentheses

问题描述：Given a string containing just the characters '(', ')', '{', '}', '[' and ']', determine if the input string is valid.The brackets must close in the correct order, "()" and "()[]{}" are all v

2014-05-02 09:08:14 426

原创 leetcode-3Sum

从今天开始刷leetcode，记录我做题的每一步

2014-05-02 00:39:25 832 1

转载页面调度算法

使用FIFO调度算法时，页面装入和调出的情况如下：页面号 7 0 1 2 3 0 4 3 2 3 6 7 3 1 5 7 6 2 6 7页面1 7 7 7 7 3 3 3 3 3 3 3 3 3 1 1 1 1 1 1 7页面2 0 0 0 0 0 4 4 4 4 4 4 4 4 5 5 5 5 5 5页面3 1 1 1 1 1 1 1 1 6 6 6 6

2014-04-10 23:33:46 1006

原创进程与线程的区别

面试经常被问道这样的问题，记下来印象深刻一点

2014-04-08 19:34:22 408

原创进程通信

进程通信分为：1、低级进程通信

2014-04-08 13:26:39 638

原创 qt做的一个动态实时监控项目

做了一个摄像头监控的项目环境：qtcreator-2.5.2+Qt4.7.3+MinGW+openCV2.1（装在c盘根目录下，在项目中引入的时候有用）功能介绍：监控笔记本摄像头，通过opencv的函数打开摄像头，用帧差分算法判断监控的区域有没有发生变化，也就是有没有物体进入监控区域，当监控的区域发生变化时，将这一帧发送给服务器端之前环境不允许，一直用一台电脑既当服务器又当客户端，挺成

2014-04-07 19:44:10 6589

原创从今天起开始写博客

从今天起开始记录每一天，每天都不知道在干啥，记录下来

2014-03-29 13:29:38 374

2048网页版源码

网页版2048源码，代码才300多行，jquery练手

2014-05-12

QT实时监控

实时监控多台电脑的摄像头，从摄像头捕捉画面，通过帧差分算法判断画面是否发生了变化，若发生变化，将捕捉的画面发送到服务器端，服务器显示画面，这样做的好处是不用将捕捉到的画面全部发给服务器，只需将发生变化的画面发送给服务器

2014-04-07

数据库设计问题，在线等，求回答

2015-01-05

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