(2)邻接矩阵; A C DE F A(000000 V[1..6] B100100 C010001 AB CDEF D001011 123456 E100000 顶点数组 F(110010 邻接矩阵（2）邻接矩阵； A B C D E F A 0 0 0 0 0 0 B 1 0 0 1 0 0 C 0 1 0 0 0 1 D 0 0 1 0 1 1 E 1 0 0 0 0 0 F 1 1 0 0 1 0 M= 邻接矩阵 A B C D E F 1 2 3 4 5 6 顶点数组 V[1..6]