大家都搜:
双向树
1、tree───n.树;木料;树状物;n.(Tree)人名;(英)特里;vt.把...赶上树;vi.爬上树;逃上树
2、salal tree───腊肠树
3、tree skirt───圣诞树裙
4、apple tree───苹果树
5、tree to tree───树到树
6、spruce tree───云杉树
7、poplar tree───杨树
8、tree road───树路
9、banana tree───香蕉树
1、For a undirected graph with tree characteristics, we can choose any node as the root.───对于一棵无向树,我们可以选择它的任意节点作为根。