Design a DFA accepting a language L having number of zeros in multiples of 3

Problem

Construct a deterministic finite automata (DFA) that accepts a language L which has the number of zero’s is of multiple of 3 over an alphabet ∑=”{0,1}.

Solution

If input is: 000
Output is: string is accepted

Because here the number of zero’s is multiple of 3.

Designing DFA

In order to construct the DFA, follow the below mentioned steps −

Step 1 -

Valid inputs: 000, 000000, 0⁹ , 0¹² , …

Step 2 -

Valid inputs: 1, 1000, 100000, …

Step 3 -

Valid inputs: 10100, 11000, 101100, …

Step 4 -

101010, 1101010, 1101110110, …

Invalid inputs − 0,00,10000,01011, …

Bhanu Priya

Updated on: 15-Jun-2021

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