Midterm questions:
http://www.cs.uleth.ca/~benkoczi/files/approx/midterm.pdf
Midterm solutions:
http://www.cs.uleth.ca/~benkoczi/files/approx/midterm-sol.pdf
Assignment 2 questions:
http://www.cs.uleth.ca/~benkoczi/wordpress/?page_id=317
Assignment 2 solutions:
http://www.cs.uleth.ca/~benkoczi/files/approx/a2-sol.pdf
Assignment 3 questions:
http://www.cs.uleth.ca/~benkoczi/wordpress/?p=370
Assignment 3 solutions:
http://www.cs.uleth.ca/~benkoczi/files/approx/a3-sol.pdf