PostgreSQL是迄今为止最为先进的开源数据库管理系统，此为postgresql源码...

实现岛上建立公路的最短路径算法，调用了dikstra算法-Highway on the island to achieve the establishment of the shortest path algorithm, called algorithm dikstra

约瑟夫问题有原始的约瑟夫和发展了的约瑟夫两种。 原始的约瑟夫的描述： 古代某法官要判决N个犯人的死刑，他有一条荒唐的法律，将犯人站成一个圆圈，从第S个人开始数起，每数到第D个犯人，就拉出来处决，然后再数D个，数到的人再处决―――直到剩下的最后一个可赦免。 发展的约瑟夫的描述： 古代某法官要判决N个犯人的死刑，但这N个人每人持有一个密码，他有一条荒唐的法律，将犯人站成一个圆圈，法官先给出一个密码M，从第S个人开始数起，每数到第M个犯人，就拉出来处决，再根据这个人所持有的密码F，然后再数F个，数到的人再处决，以此类推―――直到剩下的最后一个可赦免。-Joseph problems have original development of the Joseph and Joseph two. The original Joseph Description : Ancient a judge to sentence N inmates of the death penalty, he is a ridiculous law, prisoners station into a circle, from S began a few individuals, every few months to D prisoners, pull out executions, then D, the number of people to be re-executed--- until the last one left to be pardoned. The development of the Joseph Description : Ancient a judge to sentence N inmates of the death penalty, but each individual N holders a password, he is a ridiculous law, prisoners station into a circle, the judges first gave a password M, S individuals from the beginning of several, each of the first few inmates M , pull hi

可用代码生L成SQL Server用户表的表结构定义，包含字段/类型，可选择是否打印索引/约束/注释等

实现拓扑排序，用到了堆栈，存储结构采用邻接表。-To achieve topological sorting, use the stack, storage structure using adjacency list.

这些是学校管理系统所需的数据库规范。。。。。。。。。。。。。。。。。。。。。。。。数据库mysql

DES,MD5,ZLIB算法源代码-DES, MD5, ZLIB algorithm source code

数据结构（C＋＋版）的演示程序，详细演示广度优先搜索的具体调用过程,-data structure (C++ version) demonstration program, a detailed demonstration of the breadth- first search specific call process,

用java编的一个学生成绩管理系统，对初学者很有用的哦!-series with a student performance management system, for beginners very useful!

Kruskal算法寻找最小生成树,C语言实现，有完整的注释！-Kruskal finding minimum spanning tree algorithm, C Language, a complete Notes!

实现一个B*Tree的添加和查找，输入数据为一组字典文件-achieve a B* Tree Search and the addition, the input data for a group of documents dictionary