1
Topological Sort: DFS
F
C
G A B
D E
H
2
dfs(A)
3
dfs(D)
4
dfs(E)
5
dfs(F)
6
dfs(H)
7
8
A B
G
9
10
11
54
12
4 5
13
14
dfs(B)
15
16
3 2
17
dfs(C)
18
19
20
21
dfs(G)
22
23
3 21
0
24
Topological order: C G B A D E F H
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