GATE | GATE-CS-2003 | Question 90

Consider the grammar shown below.

S → C C
C → c C | d

The grammar is
(A) LL(1)
(B) SLR(1) but not LL(1)
(C) LALR(1) but not SLR(1)
(D) LR(1) but not LALR(1)


Answer: (A)

Explanation: Since there is no conflict, the grammar is LL(1). We can construct a predictive parse table with no conflicts. This grammar also LR(0), SLR(1), CLR(1) and LALR(1).

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