A Pittsburgh road is either a dead-end or a branch to two other Pittsburgh roads. Each branch has an sign suggesting which of the two directions to take.
Create a data definition for Pittsburgh roads and a generic template.
Implement the Pittsburgh-road function count-dead-ends.
Implement the Pittsburgh-road function distance-to-suggested-dead-end.
Choose a representation for a bread shelf:
Write the generic template to process a bread shelf.
Last update: Monday, September 19th, 2011mflatt@cs.utah.edu |