276 APPENDIX C
Dijkstra’s shortest-path algorithm
2
A B C D
E F G H
I J K L
12
1
A B C D
E F G H
I J K L
21
14
4
3 4
2
3 2 2
3
333
3
9
5
8
C
E
I
B
A
(^32)
7
1
8 I
C
F
B E
A
3
1
(^23)
8
(^7) F
D
G
(^8) I
B
E C
A
3
1
8
2
7
I
C
F
B
E
A