Test_CD1_Q51

Question

Construct the LALR(1) sets of items for the grammar:

S’ -> S
S -> *SS | a

Then, identify, in the list below, one of the LALR(1) sets of items for

(A) [S -> a., $\$$]

(B) [S -> a., +a]

(C) [S -> *SS., $\$$ + a]

(D) [S -> *SS., $\$$]

Comments

A and D both

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Correct A

Answer 1

The possible answer is A, D.

In option C instead of + if it is * It is also possible..

Comments

why didnt you combine [s->a. $] and [s->a. a/*]

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Yes we can combine them in LALR(1). I just solved with according to options.