寻径问题：

给定n个村庄之间的交通图，若村庄i和村庄j之间有道路，则将顶点i和顶点j用边连接，边上的权Wij 表示这条道路的长度。现在要从这n个村庄选择一个村庄建一所医院，问这所医院应建在哪个村庄，才能使离医院最远的村庄到医院的距离最短？

实现的功能：

1.自动生成数据；

2.自动生成字符串；

3.显示矩阵图；

4.非法输入的判断；

5.重复输入现有的相同数据的判断；

6.动态生成一维数组，二维数组；

7.数组内数值的比较以及输出；

8.查找标示符在数组中的位置以及输出；

9.创建网；

10.查找网内的数值以及对数值的处理；-Routing problem: given n villages between traffic map, if i have a road between the village and the village j, then the vertex i and j vertices connected by edges, Wij represents the length of the right side of this road. N from these villages now choose a village to build a hospital, ask the hospital to be built in the village which, in order to make the village furthest from the hospital to the shortest distance from the hospital? Realize functions: 1 automatically generated data　2 automatically generated string　3 shows the matrix　4 judgment entered illegally　5 to repeatedly enter the same data available to determine　6 dynamically generated one-dimensional array. .. .. two-dimensional array　7 compares the values ​ ​ within the array, and output　8 lookup identifier and the location in the array output　9 to create network　10 Find the value within the network as well as the value of the deal