1 Directed Depth First Search - PowerPoint Presentation

Slide1

1

Directed Depth First Search

Adjacency ListsA: F GB: A HC: A DD: C FE: C D GF: E:G: :H: B:I: H:

F

A

B

C

G

D

E

H

ISlide2

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Directed Depth First Search

FABC

G

D

E

H

I

dfs(A)

A-F A-G

Function call stack:Slide3

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Directed Depth First Search

FABC

G

D

E

H

I

dfs(A)

A-F A-G

Function call stack:

visit(F)

F-ESlide4

4

Directed Depth First Search

FABC

G

D

E

H

I

dfs(A)

A-F A-G

Function call stack:

dfs(F)

F-E

dfs(E)

E-C E-D E-GSlide5

5

Directed Depth First Search

FABC

G

D

E

H

I

dfs(A)

A-F A-G

Function call stack:

dfs(F)

F-E

dfs(E)

E-C E-D E-G

dfs(C)

C-A C-DSlide6

6

Directed Depth First Search

FABC

G

D

E

H

I

dfs(A)

A-F A-G

Function call stack:

dfs(F)

F-E

dfs(E)

E-C E-D E-G

dfs(C)

C-A C-DSlide7

7

Directed Depth First Search

FABC

G

D

E

H

I

dfs(A)

A-F A-G

Function call stack:

dfs(F)

F-E

dfs(E)

E-C E-D E-G

dfs(C)

C-A C-D

dfs(D)

D-C D-FSlide8

8

Directed Depth First Search

FABC

G

D

E

H

I

dfs(A)

A-F A-G

Function call stack:

dfs(F)

F-E

dfs(E)

E-C E-D E-G

dfs(C)

C-A C-D

dfs(D)

D-C D-FSlide9

9

Directed Depth First Search

FABC

G

D

E

H

I

dfs(A)

A-F A-G

Function call stack:

dfs(F)

F-E

dfs(E)

E-C E-D E-G

dfs(C)

C-A C-D

dfs(D)

D-C D-FSlide10

10

Directed Depth First Search

FABC

G

D

E

H

I

dfs(A)

A-F A-G

Function call stack:

dfs(F)

F-E

dfs(E)

E-C E-D E-G

dfs(C)

C-A C-DSlide11

11

Directed Depth First Search

FABC

G

D

E

H

I

dfs(A)

A-F A-G

Function call stack:

dfs(F)

F-E

dfs(E)

E-C E-D E-GSlide12

12

Directed Depth First Search

FABC

G

D

E

H

I

dfs(A)

A-F A-G

Function call stack:

dfs(F)

F-E

dfs(E)

E-C E-D E-GSlide13

13

Directed Depth First Search

FABC

G

D

E

H

I

dfs(A)

A-F A-G

Function call stack:

dfs(F)

F-E

dfs(E)

E-C E-D E-G

dfs(G)Slide14

14

Directed Depth First Search

FABC

G

D

E

H

I

dfs(A)

A-F A-G

Function call stack:

dfs(F)

F-E

dfs(E)

E-C E-D E-GSlide15

15

Directed Depth First Search

FABC

G

D

E

H

I

dfs(A)

A-F A-G

Function call stack:

dfs(F)

F-ESlide16

16

Directed Depth First Search

FABC

G

D

E

H

I

dfs(A)

A-F A-G

Function call stack:Slide17

17

Directed Depth First Search

FABC

G

D

E

H

I

dfs(A)

A-F A-G

Function call stack:Slide18

18

Directed Depth First Search

FABC

G

D

E

H

I

Nodes reachable from A: A, C, D, E, F, G