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Test your understanding with targeted questions related to the topic.
Question 1
Easy
Define Catalan numbers.
💡 Hint: Think about their relation to combinatorial structures.
Question 2
Easy
What is a valid parentheses sequence?
💡 Hint: Consider the structure of parentheses in expressions.
Practice 4 more questions and get performance evaluation
Engage in quick quizzes to reinforce what you've learned and check your comprehension.
Question 1
What do Catalan numbers count?
💡 Hint: Think about their definition.
Question 2
True or False: A bijection implies that two sets have the same number of elements.
💡 Hint: Recall the definition of bijection.
Solve 1 more question and get performance evaluation
Push your limits with challenges.
Question 1
Given n = 4, compute C(4) using the recurrence relation.
💡 Hint: Break down C(4) into smaller parts using known values.
Question 2
Design a valid parentheses sequence for n = 3, illustrating with diagrams.
💡 Hint: Draw trees representations of how each sequence relates.
Challenge and get performance evaluation