Practice Iterative Filling (Processing Substrings of Length j=2,dots,n) - 5.5.2.2 | Module 5: Context-Free Grammars (CFG) and Languages | Theory of Computation
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5.5.2.2 - Iterative Filling (Processing Substrings of Length j=2,dots,n)

Learning

Practice Questions

Test your understanding with targeted questions related to the topic.

Question 1

Easy

What is the purpose of the CYK Algorithm?

πŸ’‘ Hint: Think about parsing in the context of programming languages.

Question 2

Easy

List two forms of productions allowed in Chomsky Normal Form.

πŸ’‘ Hint: Consider the types of symbols on the right side of the production.

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 one of the two forms of production rules in Chomsky Normal Form?

  • A β†’ a
  • A β†’ BB
  • A β†’ A

πŸ’‘ Hint: Think about the types of outputs from a rule.

Question 2

True or False: The CYK algorithm can process strings not represented in Chomsky Normal Form.

  • True
  • False

πŸ’‘ Hint: Consider the requirements for the algorithm.

Solve 1 more question and get performance evaluation

Challenge Problems

Push your limits with challenges.

Question 1

Using the string 'xy' and the grammar rules: S β†’ AB, A β†’ x, B β†’ y, demonstrate the table filling process for the CYK algorithm.

πŸ’‘ Hint: Break down each entry systematically while considering the rules.

Question 2

Identify a grammar that cannot be parsed using the CYK algorithm, providing reasoning.

πŸ’‘ Hint: Consider the implications of having rules that aren’t structured properly.

Challenge and get performance evaluation