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Copyright © 2012 Pearson Education, Inc.
Chapter 6Problem Solving with Decisions
Problem Solving and Programming Concepts
9th Edition
By Maureen Sprankle and Jim Hubbard
Copyright © 2012 Pearson Education, Inc. 0-2
What is critical thinking?
• Q: What is the difference between a heuristic and algorithmic solution to a problem?
• The difference on algorithmic and heuristic solution is that algorithmic requires series of action, and heuristic is built on knowledge and experience
Copyright © 2012 Pearson Education, Inc. 0-3
What is critical thinking?
• A: There are set of steps
• H: There are no set of steps
• H: Relies on experience
• A: Doesn’t rely on experience?
• What are the definitions of …? (Big no)
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The Good, the Bad and the Ugly
• Examples?
• Good example saves insufficient definition
• Comparison of definitions
• Hand writing
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Last week: Flowchart Diagram for the Sequential Structure
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Figure 6.1 Flowchart Diagram of the Decision Structure
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Figure 6.2 Single Condition—Two Possible Actions or Sets of Actions
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Figure 6.3 Nested If/Then/Else Instructions
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Figure 6.4 Straight-Through Logic—Example 1
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Figure 6.5 Another Example of Straight-Through Logic—Example 2
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Nested If/Then/Else vs.Straight-Through Logic
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Figure 6.6 Positive Logic—Example 1
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Figure 6.7 Positive Logic—Example 2
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Figure 6.8 The Conditions in Figure 6.7 Set Up in a Different Way
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Figure 6.9 Negative Logic—Example 1
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Figure 6.10 Negative Logic—Example 2
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Figure 6.11 The Conditions in Figure 6.10 Set Up in a Different Way
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Figure 6.12 Conversion from Positive Logic to Negative Logic
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Figure 6.12 Conversion from Positive Logic to Negative Logic
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Figure 6.12 Conversion from Positive Logic to Negative Logic
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Figure 6.13 Four Ways to Design a Set of Conditions
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Figure 6.13 Four Ways to Design a Set of Conditions
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Figure 6.13 Four Ways to Design a Set of Conditions
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Figure 6.13 Four Ways to Design a Set of Conditions
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Four Ways to Design a Set of Conditions
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Figure 6.17 Flowchart Diagram for the Case Logic Structure
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Figure 6.18 Alternate Flowchart Diagram for the Case Logic Structure
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Figure 6.21 Using Codes—Medical Insurance Problem— InsuranceDeduction Module
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Figure 6.22 Algorithm and Flowchart to Illustrate Pay Module
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Figure 6.20 Straight-through Decision Structure Equivalent to the Case Logic Structure
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Figure 6.19 Nested Decision-Structure Equivalent to the Case Logic Structure
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Figure 6.17 Flowchart Diagram for the Case Logic Structure
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Which Decision Logic?
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Chapter 6Problem Solving with Decisions
Good ExamplePages 133, 134, and 135
End Chapter 6
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