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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What does C(2) equal?
💡 Hint: Think about how parentheses can be arranged for two pairs.
Question 2
Easy
Define a valid parentheses string.
💡 Hint: Consider how you ensure that every '(' is matched.
Practice 2 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 does C(3) represent?
- 3
- 5
- 1
💡 Hint: Recall the examples discussed in class.
Question 2
Is the string '(()()())' valid?
- True
- False
💡 Hint: Count the parentheses and check for matches.
Solve 1 more question and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
Determine the number of valid parenthesis sequences for n = 4, and list them.
💡 Hint: Use your understanding of valid sequences and recursive definitions.
Question 2
Using the recurrence relation, calculate C(5) based on previous values.
💡 Hint: Execute the summation for all k values from 0 to 4.
Challenge and get performance evaluation