Vazirani:
1.3 - ok
2.1   ok
2.6   ok
3.2 - ok
4.4  ok
5.3 - ok
CLRS:
29.1-7 ok
29.2-5 ok
29.3-2 ok
29-1   ok

33.2-5  ok
33.3-5  ok
33.4-3  ok