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LR parsers are attractive because _________

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LR parsers are attractive because _________

(a) It can be constructed to recognize CFG corresponding to almost all programming constructs

(b) It does not backtrack

(c) It can be constructed to recognize CFG corresponding to almost all programming constructs & It does not backtrack

(d) None of the mentioned

This question was posed to me in an internship interview.

I'd like to ask this question from Data Structure for Representing Parsing Table in division Bottom Up Parsing of Compiler

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The correct option is (c) It can be constructed to recognize CFG corresponding to almost all programming constructs & It does not backtrack

Explanation: These above mentioned are the reasons why LR parser is considered to be attractive

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