Problem Solving

• 1.1 (Understanding the problem): Can I restate the problem in my own words?

• 1.2 (Understanding the problem): What are the inputs that go into the problem?

• 1.3 (Understanding the problem): What are the outputs that should come from the solution to the problem?

• 1.4 (Understanding the problem): Can the outputs be determined from the inputs? In other words, do I have enough information to solve the problem?

• 1.5 (Understanding the problem): How should I label the important pieces of data that are a part of the problem?

• 2.1 (Explore Concrete Examples): Start with Simple Examples

• 2.2 (Explore Concrete Examples):Progress to More Complex Examples

• 2.3 (Explore Concrete Examples): Explore Examples with Empty Inputs

• 2.4 (Explore Concrete Examples): Explore Examples with Invalid Inputs

• 3.1 (Break It Down): Explicitly write out the steps you need to take

• 4.1 (Solve/Simplify): Solve the problem, If you can\'t, solve a simpler problem!

• 4.2 (Solve/Simplify): Find the core difficulty in what you\'re trying to do

• 4.3 (Solve/Simplify): Temporarily ignore that difficulty

• 4.4 (Solve/Simplify): Write a simplified solution

• 4.5 (Solve/Simplify): Then incorporate that difficulty back in

• 5.1 (Look Back and Refactor): Can you check the result?

• 5.2 (Look Back and Refactor): Can you derive the result differently?

• 5.3 (Look Back and Refactor): Can you understand it at a glance?

• 5.4 (Look Back and Refactor): Can you use the result or method for some other problem?

• 5.5 (Look Back and Refactor): Can you improve the performance of your solution?

• 5.6 (Look Back and Refactor): Can you think of other ways to refactor?

• 5.7 (Look Back and Refactor): How have other people solved this problem?

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