8 marks · CO3 · AnalyseQuestion Bank #32 · Module 3 · Context-free grammars
Answer in prose
Obtain a CFG generating strings of a’s and b’s where L = {w : |w| mod 3 = 0}.
Marked by handThis is a prose question — no honest automatic grader exists for it, so the tool does not pretend to have one. Write your answer as you would in the exam, then use the hints to check yourself.