3.txt

录入合法的LL(1)文法

[Terminator]
a
b
e
o
f
d

[NonTerminator]
S
H
K
L
M

[Starter]
S

[Precept]
S->MH
S->a
H->LSo
H->@
K->dML
K->@
L->eHf
M->K
M->bLM