给定文法G(S):S → a(A) | a A → A + S | S 消除公共左因子之后的文法为
A、S→aS’S’→(A)|eA→A+S|S;
B、S→aS’S’→(A)A→A+S|S;
C、S→a(A)|aA→SA’A’→+SA’|e;
D、S→aS’S’→(A)|eA→SA’A’→+SA’|e
发布时间:2025-07-06 02:51:36
A、S→aS’S’→(A)|eA→A+S|S;
B、S→aS’S’→(A)A→A+S|S;
C、S→a(A)|aA→SA’A’→+SA’|e;
D、S→aS’S’→(A)|eA→SA’A’→+SA’|e