11.5 - Syntax of a Recursive Function
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Practice Questions
Test your understanding with targeted questions
What is a base case in recursion?
💡 Hint: Think about what prevents a function from calling itself endlessly.
Write a simple recursive function to compute the power of a number, say power(base, exp).
💡 Hint: How do you reduce the exponent with each call?
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Interactive Quizzes
Quick quizzes to reinforce your learning
What is a base case in a recursive function?
💡 Hint: Remember: what keeps the recursion from running forever?
True or False: Each recursive call adds a new layer to the call stack.
💡 Hint: Think about how each call relates to the previous one.
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Challenge Problems
Push your limits with advanced challenges
Write a recursive function to find the greatest common divisor (GCD) of two numbers.
💡 Hint: Think about how division can reduce the problem size.
Develop a recursive function to generate all permutations of a string.
💡 Hint: Consider fixing one character and applying recursion to the remaining string.
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