Assignment 12
Due Monday, 4/22/96.
Chapter 7: 42, 43, 44, 45
Neither of the following problems is to be turned in:
-  Explain how to modify the all-pairs-shortest-paths algorithm to obtain the
shortest path from i to j.  Include a procedure to print out the shortest
path.
-  Rewrite the N-Queens algorithm iteratively (i.e., no recursion).  Your
algorithm should NOT use a stack.