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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What does a recursion tree represent?
💡 Hint: Think about each call's relation to the next.
Question 2
Easy
Why is the base case important in recursion?
💡 Hint: What happens if we don't have a stopping condition?
Practice 4 more questions and get performance evaluation
Interactive Quizzes
Engage in quick quizzes to reinforce what you've learned and check your comprehension.
Question 1
What is a recursion tree used for?
- Visualizing array sorting
- Displaying recursive calls
- Simplifying algorithms
💡 Hint: Recall the primary function of a tree in recursion.
Question 2
True or false: A base case in recursion allows the function to call itself indefinitely.
- True
- False
💡 Hint: What does a base case actually do?
Solve 2 more questions and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
Create a recursion tree for sum(n) = n + sum(n-1) starting from sum(5) and identify the base case.
💡 Hint: Trace how the function reduces to the base condition.
Question 2
Analyze the performance impact of a recursion tree with overlapping subproblems by comparing it to an iterative solution for calculating Fibonacci numbers.
💡 Hint: Explore how many times each value is recomputed in the recursive case.
Challenge and get performance evaluation