1. © 2010 Pearson Addison-Wesley. All rights reserved. Addison Wesley is an imprint of Chapter 4: Selection Structures: if and switch Statements Problem Solving & Program Design in C Sixth Edition By Jeri R. Hanly & Elliot B. Koffman

2. 1-2 © 2010 Pearson Addison-Wesley. All rights reserved. 1-2 Figure 4.1 Evaluation Tree and Step-by- Step Evaluation for !flag || (y + z >= x - z)

3. 1-3 © 2010 Pearson Addison-Wesley. All rights reserved. 1-3 Figure 4.2 Range of True Values for min <= x && x <= max

4. 1-4 © 2010 Pearson Addison-Wesley. All rights reserved. 1-4 Figure 4.3 Range of True Values for z > x || x > y

5. 1-5 © 2010 Pearson Addison-Wesley. All rights reserved. 1-5 Figure 4.4 Flowcharts of if Statements with (a) Two Alternatives and (b) One Alternative

6. 1-6 © 2010 Pearson Addison-Wesley. All rights reserved. 1-6 Figure 4.5 if Statement to Order x and y

7. 1-7 © 2010 Pearson Addison-Wesley. All rights reserved. 1-7 Figure 4.6 Structure Chart for Water Bill Problem

8. 1-8 © 2010 Pearson Addison-Wesley. All rights reserved. 1-8 Figure 4.7 Program for Water Bill Problem

9. 1-9 © 2010 Pearson Addison-Wesley. All rights reserved. 1-9 Figure 4.7 Program for Water Bill Problem (cont’d)

10. 1-10 © 2010 Pearson Addison-Wesley. All rights reserved. 1-10 Figure 4.7 Program for Water Bill Problem (cont’d)

11. 1-11 © 2010 Pearson Addison-Wesley. All rights reserved. 1-11 Figure 4.7 Program for Water Bill Problem (cont’d)

12. 1-12 © 2010 Pearson Addison-Wesley. All rights reserved. 1-12 Figure 4.8 Sample Run of Water Bill Program

13. 1-13 © 2010 Pearson Addison-Wesley. All rights reserved. 1-13 Figure 4.9 Function comp_use_charge Revised

14. 1-14 © 2010 Pearson Addison-Wesley. All rights reserved. 1-14 Figure 4.9 Function comp_use_charge Revised (cont’d)

15. 1-15 © 2010 Pearson Addison-Wesley. All rights reserved. 1-15 Figure 4.10 Function comp_tax

16. 1-16 © 2010 Pearson Addison-Wesley. All rights reserved. 1-16 Figure 4.10 Function comp_tax (cont’d)

17. 1-17 © 2010 Pearson Addison-Wesley. All rights reserved. 1-17 Figure 4.11 Flowchart of Road Sign Decision Process

18. 1-18 © 2010 Pearson Addison-Wesley. All rights reserved. 1-18 Figure 4.12 Example of a switch Statement with Type char Case Labels