下面的文法中，哪些是二义的? G(S): S → SS | (S) | ( )|G(S): S → iSeS | iS | i|G(S): S → SaS | SbS | cSd | eS |f|G(S): S → S+S |S*S | i | (S)
下面的文法中，哪些是二义的? G(S): S → SS | (S) | ( )|G(S): S → iSeS | iS | i|G(S): S → SaS | SbS | cSd | eS |f|G(S): S → S+S |S*S | i | (S)
发布时间：2024-09-27 15:46:04
