给定文法G(S):S → (A) | aA → A + S | S消除左递归后的文法为:
A、S → (A) | aA → A + S | S;
B、S → (A) | aA →+SA’ |eA’ →S A’ ;
C、S → (A) | aA →+SA’A’ →S A’ |e;
D、S → (A) | aA →S A’ A’ →+SA’ |e
发布时间:2025-02-04 06:21:50
A、S → (A) | aA → A + S | S;
B、S → (A) | aA →+SA’ |eA’ →S A’ ;
C、S → (A) | aA →+SA’A’ →S A’ |e;
D、S → (A) | aA →S A’ A’ →+SA’ |e