count subarrays whose product is divisible by 4
How to find number of subarrays whose product is divisible
by 4 in linear time. Sample I/O - if arr[] = {1,4,9}
then answer should be 4 as {1,4} , {1,4,9} , {4,9} , {4}
have their products divisible by 4Copyright © 2021 Codeinu
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