1. Maximum Flow Reading: CLRS Sections 26. 1-26. 3 (skipping Lemma 26
Maximum Flow Reading: CLRS Sections (skipping Lemma 26.8, Theorem 26.9 (2nd edtion) or Lemma 26.7, Theorem 26.8 (3rd edition)
CSE 2331
Steve Lai

10. Example a b a b t s t s c d c d a b a b t s t s c d c d 12/12 12 15/20
11/16 5 5 10
1/4 t 4 s
7/7 11 11 3 15 t
4/9 s 5 7 5
8/13 c d
4/4 3 c d 4
11/14 8 11
Flow network and flow (b) Residual network and
augmenting path p with
12/12 a b 12
19/20 a b
11/16 5 1 10
1/4 t 11 s
7/7 11 3 19 t
0/9 s 9 7 1 c d
4/4 3
12/13 c d 4 12
11/14 11
(c) Augmented flow (d) No augmenting path

14. 12/12 a b
15/20
11/16 10
1/4 t s
7/7
4/9
8/13 c d
4/4
S T
11/14

19. s1 t1 t2 s2 G
s t t3 s1