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Fun, engaging games to boost memory, math fluency, typing speed, and English skillsβperfect for learners of all ages.
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What is left factoring?
π‘ Hint: Think about how two rules might start the same way.
Question 2
Easy
What problem does left factoring solve?
π‘ Hint: Consider how an ambiguous grammar might confuse a parser.
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 is left factoring?
π‘ Hint: Consider the goal of removing confusion in grammar.
Question 2
True or False: Left factoring can resolve ambiguity in parsers.
π‘ Hint: Think about how left factoring clarifies the parsing process.
Solve and get performance evaluation
Push your limits with challenges.
Question 1
Given the grammar A -> aA | b
perform left factoring and explain the reasoning.
π‘ Hint: Identify common starting symbols in A's rules.
Question 2
Propose a strategy for rewriting an ambiguous grammar for an arithmetic expression. Explain your approach using left factoring.
π‘ Hint: Look for operator precedence and regroup accordingly.
Challenge and get performance evaluation