2.3.2 - Efficiency of Memoization
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Practice Questions
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What does memoization do?
💡 Hint: Think about how we can save time in repeated calculations.
How many paths are there to (1,0) in a 2x1 grid?
💡 Hint: You can only go directly down.
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Interactive Quizzes
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What is the primary advantage of memoization?
💡 Hint: Consider what happens when you need a result that has already been computed.
True or False? Dynamic programming computes all possible solutions before storing results.
💡 Hint: Think about how dynamic programming builds solutions from smaller parts.
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Challenge Problems
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Determine the total number of paths in an 8x8 grid that has holes at (3,3) and (6,2). Use dynamic programming principles.
💡 Hint: Build your table row by row; how do you handle the holes?
Construct a comparison chart of memoization versus dynamic programming detailing time complexity, situation applicability, and efficiency. Provide examples for each.
💡 Hint: Consider the advantages of structure vs. the recursive approach.
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