Extra Difficulty Assignments

Each student in enrolled in CS 656 is required to submit one extra difficulty
assignment.  CS 456 students who are doing well, at least at the B+ level, may
submit.  Otherwise, it would be better for you to spend the time learning the
regular material.

Please submit your first draft by email in the form of a pdf file, two weeks
before the final exam date.  This gives me time to give you feedback.