postgis源码

旅行商问题： 某售货员要到若干城市去推销商品，已知各城市之间的路程（或旅费）。他要选定一条从驻地出发，经过每个城市一遍，最后回到驻地的路线，使总的路程（或旅费）最小。-traveling salesman problem : A salesman to a number of cities to sell commodities, known the distance between cities (or travel). He selected from a resident, after each city again, the last resident to return to the line, making the total distance (or travel) is the smallest.

求解线索二叉树中结点前趋和后继的算法以及以相应次序遍历线索二叉树的算法，二叉树的线索化算法的设计-Solving clues to binary tree node before the trend and follow-up algorithm and the corresponding sequence of binary tree traversal algorithm clues, clues to binary tree algorithm design

这是一套较为完整的能适用于酒店宾馆的各方服务系统，功能强大-This is a set of relatively complete applicable to the parties Hotel service system, powerful

数据结构中树的相关操作,希望对大家有用!thanks-tree data structure of operation, we hope to useful! Thanks

货郎担 最短路径问题 用链表储存最短路径节点-traveling salesman problem using the shortest path Listless storage nodes Shortest Path

数据库管理系统，是一个管理学生学籍的-database management system, is a management student behind the expulsion of

我写的数据结构小程序是关于排序算法的，功能比较全-I write the data structure of small programs algorithm, the entire comparison function

一个招聘管理系统-a recruitment management system

一些数据库的实例。共12章。如第八章： 第8章数据库环境的建立 1. 用MISDBA用户登录MISDB数据库。 2. 在ISQL中，输入第8章提供的SQL语句；或者根据表8-1至表8-4在SQL Explorer中自行创建数据表。 3. 根据表8-5至表8-7设置初始数据，另外需要在PERSON数据表中设置一个具有培训管理系统管理权限的用户（ID=’PXC’，PASSWD=’PASSWORD’，AUTHORITY=’6’，STATE=’F’）和用于外派培训的用户（ID=’PXCOUT’，NAME=’外派培训’）。 4. 修改Admin源程序中的数据库连接属性，并且重新编译training.exe。 5. 修改Client源程序中数据库连接属性，并且重新生成html文件和cab文件，然后将这两个文件拷贝到web服务器指定目录中。-some examples of the database. A total of 12 chapters. If the eighth chapter : Chapter 8 database to establish an environment. User login with MISDBA MISDB database. 2. In ISQL, the importation of Chapter 8 of SQL; Or, according to Table to Table 8-1 8-4 in SQL Explorer to create data sheets. 3. According to Table 8-5 8-7 to set up tables initial data, Another need PERSON data tables set up with a training management system for the management competence of the users (ID = "P XC ", PASSWD =" PASSWORD "AUTHORITY ="6", STATE = "F") for assignment and training of users (ID = "PXCO

hash排序，用hash法进行字符或数字的排序。-hash