数据结构课程设计，prim算法求最小生成树，给出了所有可能的生成树-Data structure course design, prim algorithm for minimum spanning tree, has given all the possible spanning tree

依据prim最小生成树的算法实现的最小生成树源码，能够建立准确的最小代价生成树-Prim minimum spanning tree based on the minimum spanning tree algorithm source code, be able to establish an accurate minimum cost spanning tree