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Numerical
GATE CSE 2018
Given a language L, define Li as follows:
L0 = {ε}
Li = Li-1∙L for all i greater than 0
The order of a language L is defined as the smallest k such that Lk=Lk+1. Consider the language L1 (over alphabet 0) accepted by the following automaton.
The order of L1 is ______ .