Practice - Array and String Problems
Practice Questions
Test your understanding with targeted questions
What is the sum of the array [2, 3, 4] using recursion? Describe the process.
💡 Hint: Think about the initial array and the recursive calls needed to sum.
How would you reverse the string 'hello' using recursion?
💡 Hint: Consider how you would peel back the characters one by one.
4 more questions available
Interactive Quizzes
Quick quizzes to reinforce your learning
What is the base case for summing an array?
💡 Hint: Think about what happens when you run out of elements.
True or False: A function can call itself more than once in recursion.
💡 Hint: Consider the multiple branches of recursion.
2 more questions available
Challenge Problems
Push your limits with advanced challenges
Design a recursive function that takes an array of integers and returns true if the array is strictly increasing.
💡 Hint: Think about comparing each pair.
Write a function to recursively calculate the greatest common divisor (GCD) of two numbers.
💡 Hint: Consider the division of the larger number by the smaller.
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Reference links
Supplementary resources to enhance your learning experience.