SkyDome

Polynomial基于数据结构的思想,文件比较小,可以直接运行(Polynomial based on the idea of ​ ​ data structures, file is relatively small and can be run directly)

一．问题描述 对2006年度全国80多个城市的每天空气质量状况进行查询、排序等操作。 空气质量状况对象包括城市代码、城市名称、首要污染物、污染指数、污染物级别、空气状况、年、月、日 二、实验要求 1． 普通查询：输入城市名称和城市代码，分别查询该城市每天、每周、每月、每季度和全年的空气质量状况 例子：查询太原市2006年第8周的空气质量状况 2．统计查询： （1）输入城市名称和城市代码，分别查询该城市每周、每月、每季度和全年的空气质量为优、良、轻微污染、轻度污染、重污染的天数 例子：查询石家庄市2006年第2季度空气质量为轻微污染的总天数 （2）根据时间查询空气质量状况：输入周编号、月编号、季度编号或年编号，以及空气质量为优、良、轻微污染、轻度污染、重污染的天数，查找相应的城市名称 例子：查询2006年5月，空气被轻度污染3天以上的城市有哪些？ 3．排序查询 （1）输入周编号、月编号、季度编号或年编号，查询城市空气质量的排行榜 例子：查询2006年第6周，全国空气平均质量最好的前20个城市为哪些？ 三、数据文件 Data.txt(one. Problem Description of the air quality day in 2006 more than 80 cities nationwide query, sorting and other operations. Air Quality objects include city code, city name, the primary pollutant, pollution index, contaminant level, air condition, year, month, day two, experimental requirements 1. General Queries: Enter a city name and city codes, each query in the city daily, weekly, monthly, quarterly example air quality and full year: Queries air quality in Taiyuan first eight weeks of 2006 2. Statistical inquiry: (1) enter a city name and city codes, each query in the city weekly, monthly, quarterly and annual air quality as excellent, good, slight pollution, light pollution, heavy pollution days example: inquiry Shijiazhuang City in 2006 second quarter, the air quality is the total number of days a slight pollution (2) according to time of the query air quality conditions: enter the week number, month number, quarter number or in number, and the air quality is excellent, good, sli)

说明：  《VC视频音频编解码技术及实践》书的光盘代码(&quot VC video audio codec technology and the practice of&quot book on CD-ROM code)

FLUENT-UDF：dpm颗粒曳力的修改程序。(It is a good program about the dpm-drag.)

经典的SEP协议，代码完全正确，以及运行验证，对初学WSN路由协议的同学很有帮助。(Classic SEP protocol, the code is correct, and run the validation for beginner students WSN routing protocol is helpful.)

图像处理的KMP算法源程序，KMP算法是一种基本的、实用的字符串比较算法，广泛应用于图像处理和模式识别。(Image processing algorithms source KMP, KMP algorithm is a basic, practical string comparison algorithm, widely used in image processing and pattern recognition.)

acl_cpp 是基于 acl 库的 C++ 库，包括 MIIME 解析、Handlersocket 客户端库、数据库连接池（支持mysql/sqlite）、WEB 编程、数据库编程、阻塞/非阻塞数据流等内容。(acl_cpp is based acl library of C++ libraries, main elements: common features acl C library, MIIME parsing, Memcached client library, Handlersocket client library, connection pool (support mysql/sqlite), WEB programming, programming, blocking/non-blocking streams and other content.)

该代码提供了MATLAB与VISUAL C++的接口编程，为MATLAB可视化编程提供了方便(The code provides a MATLAB with VISUAL C++ Interface programming, visual programming for MATLAB provides a convenient)

DFT算法在MATLAB平台上的实现，包括源代码，说明等(Elimination phase algorithm in MATLAB platforms)

C + +程序，根据用户的输入可以产生特定的Gauss -1型切比雪夫正交规则，(C++ program which can generate a specific Gauss-Chebyshev type 1 quadrature rule, based on user input)