12.3.1 - Direct Recursion
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Practice Questions
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What is direct recursion?
💡 Hint: Think about functions that refer to themselves.
What is a base case in recursion?
💡 Hint: What makes recursion stop?
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Interactive Quizzes
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What does a base case do in recursion?
💡 Hint: Remember the definition of the base case.
Direct recursion involves a function calling itself directly.
💡 Hint: Think about what 'direct' means in this context.
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Challenge Problems
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Design a recursive function to compute the nth Fibonacci number. Explain how it leverages direct recursion.
💡 Hint: Break down Fibonacci into definitions of previous numbers.
Consider the factorial function. Optimize it using memoization: how would that change the recursive approach?
💡 Hint: Think about storing results to avoid recalculating them.
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