CS 352, Homework 3, the solution of Matthew Henkler.

Quoting Ameya Varde (TA, CS 352):  "Matthew's code is both correct and 
readable and his coding style is clean and elegant.  I would recommend 
students wishing to understand HW3 take a look at Matthew's code."

Matthew's solution is available on mentor,
in the account for the user cs352,
in the directory
   Sample/PROJECT3