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Knowledge
Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
Define memoization in your own words.
💡 Hint: Think about caching results in an array or dictionary.
Question 2
Easy
What is the primary difference between the top-down and bottom-up approaches?
💡 Hint: Consider how you would walk up a staircase versus building it from the ground up.
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 memoization?
- Storing all results
- Using sweeping predictions
- Caching results of expensive calls
💡 Hint: Think about how you can save a result to reuse later.
Question 2
Is the bottom-up approach generally faster than the top-down approach with memoization?
- True
- False
💡 Hint: Consider what happens each time a recursive call is made versus a simple loop.
Solve 1 more question and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
Implement a function using the top-down approach to solve the 0/1 knapsack problem, where you select items based on their weights and values to maximize the total value within a given weight limit.
💡 Hint: Think about the choices you have for each item: include it or exclude it.
Question 2
Create an iterative solution for the Longest Common Subsequence (LCS) problem using the bottom-up approach.
💡 Hint: Remember to consider character matches and the results from previous calculations.
Challenge and get performance evaluation