该程序在TC3.0环境下编译通过，共有5个函数。分别是Introduce，shortestdistance，floyed，display及main。

其功能分别是：

Introduce：地点介绍函数。

Shortestdistance：计算两地的最短距离。

Floyed：floyed算法求两地的最短距离。

Display：打印两个地点的路径及最短距离至屏幕。

Main：总体控制各函数并提供原始数据。

-The program compiled by TC3.0 environment, a total of five functions. Introduce, shortestdistance, floyed, display and main. Its features are: Introduce: Locations functions. Shortestdistance: calculate the shortest distance between the two places. Floyed: floyed algorithms to find the shortest distance between the two places. Display: Print the paths of the two locations, and the shortest distance to the screen. Main: overall control of each function and provide the raw data.