题意简述:做一个极其简单的搜索系统,对以下四种输入进行分析与搜索: 1. 只有一个单词:如 term, 只需找到含有这个单词的document,然后把这个document的含有这个单词term的那些行输出. 2.term1 AND term2, 找到同时含有term1 和 term2 的document,然后把这个document的含有这个单词term1 或 term2 的那些行输出. 3.term1 OR term2, 找到含有term1 或 term2 的document,然后把这个docu…

题意:不难理解,照搬题意的解法. 代码:(Accepted,0.190s) //UVa1597 - Searching the Web //#define _XIENAOBAN_ #include<iostream> #include<sstream> #include<cstring> #include<string> #include<vector> #include<map> #include<set> using…

Searching the Web   (Arvind Arasu etc.) 1. 概述 2000年,23%网页每天更新,.com域内网页40%每天更新.网页生存半衰期是10天.描述方法可用Poisson过程. 28%的网页构成强连通核心,22%处于核心的上游,22%处于核心的下游,其他的部分无法互联. 2. 抓取 优先抓高质量网页.综合三者:按需要(和query匹配度),按热度(链入度),按区域(比如.com优先) 做法:先抓K个网页,后续使用队列缓存待抓取url和质量分. 在stanfor…

The word "search engine" may not be strange to you. Generally speaking, a search engine searches the web pages available in the Internet, extracts and organizes the information and responds to users' queries with the most relevant pages. World f…

  The word "search engine" may not be strange to you. Generally speaking, a search engine searches the web pages available in the Internet, extracts and organizes the information and responds to users' queries with the most relevant pages. World…

[链接] 我是链接,点我呀:) [题意] 在这里输入题意 [题解] 用map < string,vector < int > >mmap[100];来记录每一个数据段某个字符串出现的行数,以及用来判断这个字符串在这一段中存不存在. ->这里有一个地方要注意,千万不要在未确定这个字符串是否存在之前,调用mmap[i][s],因为这样,不管s存不存在,s都会加那么一个键值. ->而这就使得我们不能用更快的mmap[i].find(s)函数来寻找某个字符串在不在了. ->…

OJ上的一些水题(可用来练手和增加自信) (POJ 3299,POJ 2159,POJ 2739,POJ 1083,POJ 2262,POJ 1503,POJ 3006,POJ 2255,POJ 3094) 初期: 一.基本算法: 枚举. (POJ 1753,POJ 2965) 贪心(POJ 1328,POJ 2109,POJ 2586) 递归和分治法. 递推. 构造法.(POJ 3295) 模拟法.(POJ 1068,POJ 2632,POJ 1573,POJ 2993,POJ 2996) 二…

著名题单,最初来源不详.直接来源:http://blog.csdn.net/a1dark/article/details/11714009 OJ上的一些水题(可用来练手和增加自信) (POJ 3299,POJ 2159,POJ 2739,POJ 1083,POJ 2262,POJ 1503,POJ 3006,POJ 2255,POJ 3094) 初期: 一.基本算法: 枚举. (POJ 1753,POJ 2965) 贪心(POJ 1328,POJ 2109,POJ 2586) 递归和分治法. 递…

https://stackoverflow.com/questions/14534167/multiple-actions-were-found-that-match-the-request-in-web-api Answer1 Your route map is probably something like this: routes.MapHttpRoute( name: "API Default", routeTemplate: "api/{controller}/{i…

A list of open source C++ libraries < cpp‎ | links http://en.cppreference.com/w/cpp/links/libs The objective of this page is to build a comprehensive list of open source C++ libraries, so that when one needs an implementation of particular functional…

Pretend that you're working on an open source project for searching the web by crawling websites and indexing them. You have an implementation that works on a small cluster of machines but requires a lot of manual steps. Pretend too that you're worki…

How To Ask Questions The Smart Way Eric Steven Raymond Thyrsus Enterprises <esr@thyrsus.com> Rick Moen <respond-auto@linuxmafia.com> Copyright © 2001,2006 Eric S. Raymond, Rick Moen Revision History Revision 3.9 23 Apr 2013 esr URL fixes. Revi…

Contents======== Apache2 Configuration under Debian GNU/Linux Files and Directories in '/etc/apache2' Tools Using mod_cache_disk SSL Enabling SSL Creating self-signed certificates SSL workaround for MSIE Suexec Documentation Upgrades Common Problems…

Introduction Add your content here. ISO/IEC 7816 Contact Cards Hardware EMV payment cards Orange Cash PayPass (Contact Interface) The pcsc-scan utility reports: tyson@UmBongo:~$ pcsc_scan PC/SC device scannerV 1.4.17 (c) 2001-2009, Ludovic Rousseau <…

原文引自: 原文引自: http://blog.csdn.net/hguisu/article/details/7996185 感谢 1. PageRank算法概述 PageRank,即网页排名,又称网页级别.Google左侧排名或佩奇排名. 是Google创始人拉里·佩奇和谢尔盖·布林于1997年构建早期的搜索系统原型时提出的链接分析算法,自从Google在商业上获得空前的成功后,该算法也成为其他搜索引擎和学术界十分关注的计算模型.目前很多重要的链接分析算法都是在PageRank算法基础上衍生…

原文:ResolveUrl in ASP.NET - The Perfect Solution If you are looking for ResolveUrl outside of Page/Control, and even if you are not, this is for you. Introduction/Background From my personal experience using ASP.NET, and from searching the web, I have…

本文转自:https://www.goivvy.com/blog/magento-2-1-million-products Can Magento 2 handle 1 million products? I came across that question many times. It got me interested and I started searching the web. I didn’t find an answer so I decided to set up my own…

Recently I built plug-ins support to my TemperatureStation IoT solution web site. The code for .NET Core is different from what we have seen on full .NET Framework (application domains etc) but there’s still nothing complex. This blog post describes…

1. PageRank算法概述 PageRank,即网页排名,又称网页级别.Google左側排名或佩奇排名.         在谷歌主导互联网搜索之前, 多数搜索引擎採用的排序方法, 是以被搜索词语在网页中的出现次数来决定排序--出现次数越多的网页排在越前面. 这个判据不能说毫无道理, 由于用户搜索一个词语. 通常表明对该词语感兴趣. 既然如此, 那该词语在网页中的出现次数越多, 就越有可能表示该网页是用户所须要的. 可惜的是, 这个貌似合理的方法实际上却行不大通. 由于依照这样的方法, 不论什…

[图书推荐] 译名:Windows 8应用开发:C#和XAML卷 原名:Building Windows 8 Apps with C# and XAML   编辑推荐 国内第一本使用XAML与C#语言配合的方式开发Windows 8应用程序的图书.原版书在亚马逊网站上获得了诸多好评.作者连续3年蝉联微软的MVP称号,拥有20多年的企业级应用研发经验,其中15年致力于微软平台的Web应用研发,是Wintellect公司的首席咨询师.   图书网购地址: 京东:点击进入 当当网:点击进入 亚马逊:点…

原文: https://computers.tutsplus.com/tutorials/basic-vim-configuration--cms-21498 原来,vim的配置文件,.vimrc也是一种类似于shell ,javascript 的脚本语言.叫做vimScript Functions are very useful in the .vimrc file. Since the Vim’s configuration files use a full programing langu…

Hadoop vs Elasticsearch – Which one is More Useful     Difference Between Hadoop and Elasticsearch Hadoop is a framework that helps in handling the voluminous data in a fraction of seconds, where traditional ways are failing to handle. It takes the s…

该课题来源于UVA中Searching the Web的题目:https://vjudge.net/problem/UVA-1597 按照题目的说法,我对按照特定格式输入的文章中的词语合成字典,以满足后期的快速查找. 针对于字典的合成途径,我利用了STL中的map与set的嵌套形成了一种特定的数据结构来解析文章中的单词 #include<map> #include<iostream> #include<set> #include<algorithm> #in…

题目链接:http://poj.org/problem? id=1028 Description Standard web browsers contain features to move backward and forward among the pages recently visited. One way to implement these features is to use two stacks to keep track of the pages that can be rea…

Web Navigation Time Limit: 1000MS   Memory Limit: 10000K Total Submissions: 31088   Accepted: 13933 Description Standard web browsers contain features to move backward and forward among the pages recently visited. One way to implement these features…

题目地址:http://poj.org/problem?id=1028 测试样例: Sample Input VISIT http://acm.ashland.edu/ VISIT http://acm.baylor.edu/acmicpc/ BACK BACK BACK FORWARD VISIT http://www.ibm.com/ BACK BACK FORWARD FORWARD FORWARD QUIT Sample Output http://acm.ashland.edu/ ht…

一.Description Standard web browsers contain features to move backward and forward among the pages recently visited. One way to implement these features is to use two stacks to keep track of the pages that can be reached by moving backward and forward…

Web Navigation Time Limit: 1000MS   Memory Limit: 10000K Total Submissions: 30828   Accepted: 13821 Description Standard web browsers contain features to move backward and forward among the pages recently visited. One way to implement these features…

考查代码能力的题目.也能够说是算法水题,呵呵. 推荐新手练习代码能力. 要添加难度就使用纯C实现一下stack,那么就有点难度了,能够使用数组模拟环形栈.做多了,我就直接使用STL了. #include <stdio.h> #include <iostream> #include <stack> #include <string> using namespace std; int main() { stack<string> forward; s…

poj 题目分类 按照ac的代码长度分类(主要参考最短代码和自己写的代码) 短代码:0.01K--0.50K:中短代码:0.51K--1.00K:中等代码量:1.01K--2.00K:长代码:2.01K以上. 短:1147.1163.1922.2211.2215.2229.2232.2234.2242.2245.2262.2301.2309.2313.2334.2346.2348.2350.2352.2381.2405.2406: 中短:1014.1281.1618.1928.1961.2054…