LL(1)

Question

Every LL(1) grammar  is ______
A.SLR(1)

B.LALR(1)

C.LR(1)

D.Both B & C

Answer 1

Option C LR (1)

Comments

answer is D

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in some book  they said LL1 is also LALR

 But most of the book said LR1

please follow this link

https://gateoverflow.in/141911/ll-1-grammar

Answer 2

https://www.google.com/url?sa=t&source=web&rct=j&url=/imgres%3Fimgurl%3Dhttps://i.stack.imgur.com/VUQhu.png%26imgrefurl%3Dhttps://gateoverflow.in/141911/ll-1-grammar%26h%3D417%26w%3D642%26tbnid%3D8P0o_WLGh2w8qM%26tbnh%3D181%26tbnw%3D279%26usg%3DK_U19PAGtJYqiIfBlsEV6vDAroWs0%3D%26docid%3DDpHqf2RXBg6HtM&ved=2ahUKEwjL7Pq88-7kAhWy7XMBHfsiBgoQ8g0wAHoECAcQBA&usg=AOvVaw36metwN5wDJx5DHIb6LfVS

 

this picture in this link is the only correct ven diagram representing classes of

LL(K) AND LR(K) .... 

ACCORDING TO THIS ... there are LL(1) grammers that are not LALR(1)

example:  https://stackoverflow.com/questions/6487588/example-for-ll1-grammar-which-is-not-lalr/6492798#6492798

so answer for you question is "LR(1)" i.e. option C)

Comments

Yes you are right...

Answer 3

The correct answer should be C.

 

 

D can't be an option because there are some grammar which are LR(1) but not LALR(!)

Answer 4

D is the correct answer

Answer 5

only option- c is coorect  i.e every LL(1) grammar is CLR(1) or LR(1)