851DataStructure2009

校园导航系统 1） 校园景点介：绍介相关景点的有关详细信息。 2） 最佳路线查询：查询校园中任意两点之间所有路线，并提供两点间最短的简单路径。 3） 关节点查询：提供校园图的关节点查询。 4） 多景点最佳路线查询：提供多个景点的最佳线路查询，即求途径这个景点的最佳路径。 (Campus Navigation System 1) campus attractions Introduction: Shao Jie-related attractions for more information. 2) The best route query: Query on campus all the routes between any two points, and provides a simple shortest path between two points. 3) joint points: the key points to provide the campus map queries. 4) The best route queries more attractions: multiple sites to provide the best route queries, that is seeking ways to this spot the best path.)

设有一头指针为L的带有表头结点的非循环双向链表，其每个结点中除有prev（前驱指针），data（数据）和next（后继指针）域外，还有一个访问频度域freq。在链表被起用前，其值均初始化为零。每当在链表中进行一次Locate(L,x)运算时，令元素值为x的结点中freq域的值增1，并使此链表中结点保持按访问频度非增（递减）的顺序排列，同时最近访问的结点排在频度相同的结点的最后，以便使频繁访问的结点总是靠近表头。试编写符合上述要求的Locate(L,x)运算的算法，该运算为函数过程，返回找到结点的地址，类型为指针型。(Has a head pointer is non-circular doubly linked list L with a header node, each node in addition to prev (precursor pointer), data (data) and next (successor pointers) outside, there is an access frequency degree domain freq. Before the list was hired, their values are initialized to zero. Whenever carried out in the list once Locate (L, x) when the operation, so that the element node x is the value in freq domain by one, and keep this list in the node-access frequency of non-increasing (decreasing) the order, while a recent visit to the nodes in the same row of the frequency of the last node, so that the nodes are frequently accessed tables are always near the head. Locate (L, x) algorithm is prepared in accordance with the above requirements of the test operation, the operation as a function of the process, return to find the address of the node of type pointer.)

说明：  哈希表，用c++语言编写，可操作运行，结果正确(Hash table, using c++ language, operational run, the results are correct)

c语言编写链式线性表的初始化，创建，插入删除等操作。(c language chained linear table is initialized, create, insert and delete operations.)

根据队列搜索算法的基本思想，现设计了一个简单的结构体数组如下定义代码所示。此结构体数组具备控制结点搜索和存储结点信息和路径的功能，可以较好的实现TDN的最小时间路径搜索。(Search algorithm based on the basic idea of ​ ​ the queue is now designed a simple structure array as defined code. This structure array with the control node and storage node information search and path functions, you can achieve better TDN minimum time path search.)

给定m个n维向量a , a , ,am 1 2  ，向量分类问题要求将相同的向量划分为同一类。试用 抽象数据类型表设计解向量分类问题的有效算法。(Given m a n-dimensional vector a, a,, am 1 2 )

邻接表存储图，然后进行深度优先遍历及广度优先遍历。(DFS,adjacent matrix)

计算点到直线的距离．输入两点坐标确定一个直线，再输入一个点的坐标，计算该点到直线的距离．(Calculated point to the straight line distance. Enter the coordinates of two points determine a straight line, and then input the coordinates of a point, to calculate the straight-line distance between points.)

匈牙利算法以及指派问题介绍，kM算法和匈牙利算法的程序代码(Hungarian algorithm and the assignment problem introduced, kM algorithm and the Hungarian algorithm code)

图的邻接表生成，深度遍历及任意两点间的路径(The adjacency table to generate deep traversal path between any two points)