Multiple choices 29/50
(Choose 1 answer)
A. 4
B. 5
C. 2
D. 3
Next
E. None of the other choices is correct.
Given the adjacency matrix of a digraph.
abcde
a 0 1 1 0 27
bcd
10 1 20
1 0 1 1 2
e20110
How many paths of length 2 are from vertex a to vertex c?
1
2
3
4
5
6
7
8
9
10 11
12 13
14
15 16 17 18 19 20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36 37
38 39 40 41
42
43
44
45
46
47
48
49 50
