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For a _________ state DFA, the time taken for DFA-NFA conversion is O(n).

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For a _________ state DFA, the time taken for DFA-NFA conversion is O(n).

(a) n

(b) n^1/2

(c) n^2

(d) 2^n

I got this question by my school teacher while I was bunking the class.

Question is from Conversions among Representations in division Properties of Regular Languages of Automata Theory

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The correct answer is (a) n

For explanation I would say: The conversion DFA to NFA is simple, and takes O(n) time on an n-state DFA.

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