public GraphAdjList(Node <T>[] nodes)
{
adjList = new VexNode <T> [nodes.Length];
visited = new bool[nodes.Length];
for (int i = 0; i < nodes.Length; i++)
{
adjList[i] = new VexNode <T>(nodes[i]);
}
}
public void SetNode(int index, Node <T> v)
{
adjList[index] = new VexNode <T>(v);
}