Homework to hand in

	PS6-1. Do exercise 16.2-2 on page 384 of CLRS
	PS6-2. Do problem 16-2 on page 402 of CLRS
	PS6-3. Do problem 23-4 on page 577 of CLRS

 Practice material

	Do exercise 16.1-3 on page 379 of CLRS
	Do exercise 16.2-4 on page 384 of CLRS
	Do exercise 16.2-7 on page 384 of CLRS
	Do problem 16-1 on page 402 of CLRS
	Do exercise 23.2-8 on page 574 of CLRS
	Do problem 23-1 on page 575 of CLRS
	Do problem 23-3 on page 577 of CLRS