Which among the following is a CFG for the given Language:(a) L={x∈{0,1}*|number of zeroes in x=number of one’s in x}(b) S->e|0S1|1S0|SS(c) S->0B|1A|eA->0SB->1S(d) All of the mentionedThe question was asked during an online interview.This is a very interesting question from Sentential Forms topic in portion Context Free Grammars and Languages of Automata Theory

Which among the following is a CFG for the given Language:(a) L={x∈{

1.	Which among the following is a CFG for the given Language:(a) L={x∈{0,1}*\|number of zeroes in x=number of one’s in x}(b) S->e\|0S1\|1S0\|SS(c) S->0B\|1A\|eA->0SB->1S(d) All of the mentionedThe question was asked during an online interview.This is a very interesting question from Sentential Forms topic in portion Context Free Grammars and Languages of Automata Theory
Answer» Correct CHOICE is (c) S->0B\|1A\|eA->0SB->1S Explanation: We can build context FREE grammar through different approaches, recursively defining the VARIABLES and TERMINALS inorder to fulfil the CONDITIONS.

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