CS 202, Fall 2007 Assignment #1: 10 Points. Due Date: Thursday, 9/13/07. (1) 1. Exercise 7.18. Compile and run the program if you aren't sure. (3) 2. Exercise 7.19.** (1) 3. Exercise 7.21. Compile and run the program if you aren't sure about the answer. (3) 4. Modify the gradebook program in Figure 7.18 to interactively input up to 10 scores. If fewer than 10 scores are input, end the input with -1. Be sure to give instructions prompting for input. Test your program on the following scores: 10, 90, 20, 80, 30, 70, 40, 60, 50.** (2) 5. Read your UAF email and look for a message from the CS 202 Blackboard course site. Reply to this message and state whether you were able to log on to the CS 202 Blackboard course site and whether you encountered problems. **For full credit, turn in fully commented program listings, including your name and the problem number, and the output from test runs exactly as produced by the program.