22.1.2 - Recursion and Base Cases
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Practice Questions
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What is recursion?
💡 Hint: Think about solving a problem in smaller steps.
Define a base case in recursion.
💡 Hint: Consider the smallest instance of a problem.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What does recursion allow us to do in algorithms?
💡 Hint: Think about how we solve difficult problems more easily.
True or False: The base case is necessary to prevent infinite recursion.
💡 Hint: What happens if there is no end point?
3 more questions available
Challenge Problems
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Design a unique Huffman coding tree for the letters A, B, C, D with frequencies 10, 20, 30, 40, and explain the optimality of each step.
💡 Hint: Consider which two letters you would merge first.
Discuss how you would adjust your Huffman tree if the frequency of letter Z increases significantly. What does this imply for recursion?
💡 Hint: Look at how new frequencies shape the overall structure.
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