Solutions to Homework 3
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problem 1 is in the problem1 directory
    the expected output is in 
	output.txt
    to compile
       'make'
    to run
       './problem1 -n'   (normal program)
          OR
       './problem1 -v'   (prints out entire bfs tree)

    (Note: this program will take 30 to 60 seconds to run)


problem 2 is in the problem2 directory
    the written part of problem2 is in
       'problem2.txt'
    to compile the program
       'make'
    to run the program
       './problem2'


problem 3 is in the problem2 directory
    to compile
       'make'
    to run
       './problem3'