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GATE | Sudo GATE 2020 Mock III (24 January 2019) | Question 31

Consider the following statements: S1: Even though CLR parser does not have RR conflict but LALR may contain RR conflict. S2: Every SLR grammar is unambiguous but there are many unambiguous grammars that are not SLR. S3: If number of states LR(0) = n1, Number of states SLR = n2, number of states LALR = n3, number of states CLR = n4 then, n1 = n2 = n3 < n3 Which of the following statements is/are correct ?

(A)

S1 and S2

(B)

S1 and S3

(C)

Only S1

(D)

Only S3

Answer

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