单项选择题
A.路径长度递减 B.路径长度递增 C.顶点编号递减 D.顶点编号递增
A.(4,10,15,72,39,23,18) B.(58,27,36,12,8,23,9) C.(4,10,18,72,39,23,15) D.(58,36,27,12,8,23,9)
A.5 B.7 C.10 D.15