Introduction - If you have any usage issues, please Google them yourself
		 
1 The basic storage methods mastered graph: adjacency matrix and adjacency list (the adjacency matrix used in the program) 
2 master basic operations related to graph algorithms and high-level language can be used to achieve (the program uses C language) 
3 master depth-first search and breadth-first traversal traversal search algorithm 
4 master plans of the two minimum spanning tree algorithm:. Prim algorithm and kruskal algorithm. 
5 master shortest path of two algorithms:. DIJ algorithm and floyd algorithm.