图的建立，里面包括有向图和无向图的建立，还有带权值的建立方法，也有图的输出算法，图的存储结构是以邻接链表的形式存储的。-The establishment of plans, which include the maps and the establishment of undirected graph, as well as with the establishment of methods of weight, but also the output graph algorithms, map adjacent to the storage structure is stored in the form of list.