Consider the context-free grammar G = (V, T, S, P) where V = {S}, T =...

Question

Question

Consider the context-free grammar G = (V, T, S, P) where V = {S}, T = {0, 1, 2, +, *} and with productions

S -> S + S | S * S | 0 | 1 | 2

a) Show that the grammar is ambiguous

b) Give an equivalent unambiguous grammar.

Answer 1

Answer #1

Contet ve rammes or eust tn wow than one dedival ion trea o on dom Soluton: SAS =) s 가containg Huo demotion treas. So mactr.

Answer 2

Similar Homework Help Questions

6. (5 points) Consider the context free grammar G = (V, E, R, S) where V...

6. (5 points) Consider the context free grammar G = (V, E, R, S) where V is {S, A, B, a, b,c}, & is {a,b,c}, and R consists of the following rules: S + BcA S B +a → A S + b A+S Is this grammar ambiguous? swer. Justify your an-
Given the following ambiguous context free grammar (3x20) 1. (a) Explain why the grammar is ambiguous...

Given the following ambiguous context free grammar (3x20) 1. (a) Explain why the grammar is ambiguous (b) Find an equivalent unambiguous context-free grammar. (c) Give the unique leftmost derivation and derivation tree for the string s generated from the unambiguous grammar above. 2. Construct non-deterministic pushdown automata to accept the following language (20) 3. Convert the following CFG into an cquivalent CFG in Chomsky Normal Form (CNF) (20)-
1. Consider the following grammar A - aB B-Sb (a) Show a derivation tree for the...

1. Consider the following grammar A - aB B-Sb (a) Show a derivation tree for the string aabbbb using the grammar. (b) Give an English description of the language generated by the grammar 2. Let G be the grammar below: S-ASB ab | SS (a) Show that G is ambiguous. (b) Construct an unambiguous grammar equivalent to G. 3. Find a context free grammar for the language L3- fa"b"c+m :n,m21) 4. Find a context free grammar for the language L4...

Consider a grammar: S --> | aS | SS SSb | Sbs, Where T={a,b} V={S }....

Consider a grammar: S --> | aS | SS SSb | Sbs, Where T={a,b} V={S }. Show that the grammar is ambiguous. What is the language generated by this grammar?
Consider a grammar: S --> | as SS SSb Sbs, Where T={a,b} V={S}. a. Show that...

Consider a grammar: S --> | as SS SSb Sbs, Where T={a,b} V={S}. a. Show that the grammar is ambiguous. b. What is the language generated by this grammar?
Ambiguous Grammars Question 3 [10 points be an ambiguous context-free grammar. We know that the l...

Ambiguous Grammars Question 3 [10 points be an ambiguous context-free grammar. We know that the length of S Mwis not always the same as the length of S → M w. 15/10] Consider the string abba. Create a context-free grammar that proves this point, and show the 2 different derivations of different length. ·15/10 If a context-free grammar is not LL(1) can it then be LR(1) without changing anything? Explain and/or give an example. Ambiguous Grammars Question 3 [10 points...

Consider a grammar : S --> a | aS | bSS | SSb | SbS, Where...

Consider a grammar : S --> a | aS | bSS | SSb | SbS, Where T={a,b} V={S }. a. Show that the grammar is ambiguous. b. What is the language generated by this grammar? 2. (20 points) Consider a grammar: S -->a | aS | SS | Ssb | Sbs, Where T={a,b} V={S}. a. Show that the grammar is ambiguous. b. What is the language generated by this grammar?
The following shows a context-free Tammar on {0, 1}. Show that the grammar is ambiguous by...

The following shows a context-free Tammar on {0, 1}. Show that the grammar is ambiguous by generating 2 derivation sequences for word 00111. S > AS5 A → Al|0A101 The following is a context-free grammar on alphabet {a}. Use the string a +a- a to verify whether or not the grammar is ambiguous. AA+AA-AA The following is a gamar equivalent to the one shown above in problem (5). Is it ambiguous? Use a +a- a to verify it. A →...
Consider a grammar : S --> a | aS | bSS | SSb | SbS, Where...

Consider a grammar : S --> a | aS | bSS | SSb | SbS, Where T={a,b} V={S }. a. Show that the grammar is ambiguous. b. What is the language generated by this grammar?

3 points) Question Three Consider the context-free grammar S >SS+1 SS 1a and the string aa...

3 points) Question Three Consider the context-free grammar S >SS+1 SS 1a and the string aa Give a leftmost derivation for the string. 3 points) (4 poiots) (5 points) (3 points) sECTION IWOLAttcmpt.any 3.(or 2) questions from this.scction Suppose we have two tokens: (1) the keyword if, and (2) id-entifiers, which are strings of letters other than if. Show the DFA for these tokens. Give a nightmost derivation for the string. Give a parse tree for the string i) Is...