Question

When there is a reduce/reduce conflict?

(a) If a state does not know whether it will make a shift operation using the production rule i or j for a terminal

(b) If a state does not know whether it will make a shift or reduction operation using the production rule i or j for a terminal

(c) If a state does not know whether it will make a reduction operation using the production rule i or j for a terminal

(d) None of the mentioned

I have been asked this question during an internship interview.

This is a very interesting question from LR Parser in portion Bottom Up Parsing of Compiler

Answer 1

Correct choice is (c) If a state does not know whether it will make a reduction operation using the production rule i or j for a terminal

To elaborate: It occurs when If a state does not know whether it will make a reduction operation using the production rule i or j for a terminal.