A-A+
9 下面的文法中不属于算符优先文法的是
问题详情
9、下面的文法中不属于算符优先文法的是
A．G(S) : S → *A A → 0A1 | *
B．G(S): S → ABBA A → a | e B → b | e
C．G(S) : S → aSb | P P → bPc | bQc Q → Qa | a
D．G(S): S → iCtS | iCtSeS | a C → b
参考答案
G(S): S → ABBA A → a | e B → b | e;G(S) : S → aSb | P P → bPc | bQc Q → Qa | a;G(S): S → iCtS | iCtSeS | a C → b