早教吧作业答案频道 -->语文-->
编译原理题目s→(L)|aS|aL→L,S|S消除左递归和回溯(过程请详细点)题目重新发下s→(L)|aS|aL→L,S|S
题目详情
编译原理题目 s→ (L)|aS|a L→L,S|S 消除左递归和回溯(过程请详细点)
题目重新发下
s→ (L)|aS|a
L→L,S|S
题目重新发下
s→ (L)|aS|a
L→L,S|S
▼优质解答
答案和解析
消除回溯:提取左公因子a,(注:用e代表一补西农符号,就是反三的那个符号,在电脑上不知道怎么打那个符号)
S→aS'|(L)
S'→S|e
消除左递归:
L→SL'
L'→,SL'|e (注意S前面有一个符号“,”)
S→aS'|(L)
S'→S|e
消除左递归:
L→SL'
L'→,SL'|e (注意S前面有一个符号“,”)
看了编译原理题目s→(L)|aS|...的网友还看了以下:
as the result, as a result ,as a result of ,as re 2020-04-06 …
please provide the documents marked with a check 2020-05-14 …
as...as 用法加名词Tom is as clever a boy as you .as+ad 2020-05-14 …
as much as和as more as全句是but they probably do nont 2020-05-14 …
as much as和as many as用法的区别另帮我解释这道题:According to a 2020-05-15 …
1.She ( )the guitar until she finishes her homewo 2020-05-16 …
1.I'd like to buy the same book ____ was read by 2020-05-16 …
Our neighbor has__ours A.as a big house as BOur n 2020-05-16 …
Atyphoonsweptacrossthisareawithheavyrainandwinds( 2020-07-18 …
我国少数民族中,居民大多信仰伊斯兰教的民族是()A.回族和藏族B.维吾尔族和回族C.蒙古族和藏族D. 2020-12-23 …