GATE | GATE-CS-2017 (Set 2) | Question 31
Which of the following statements about the parser is/are correct?
I. Canonical LR is more powerful than SLR. II. SLR is more powerful than LALR. III. SLR is more powerful than canonical LR.
(A) I only
(B) II only
(C) III only
(D) II and III only
Explanation: LR parsers in term of power
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CLR > LALR > SLR > LR(0)
Therefore, Option A is only correct option.