Problem
1. Priority queues are very interesting structures. They can be used to simulate a stack. How might you use a PQ as a stack?
2. Priority queues can also be used to simulate a FIFO queue. How might you use a PQ as a FIFO queue?
3. CAD systems are now available for everyday use. Go to your local computer store and see how many programs are available to help you design anything from a kitchen to a guitar.