Maximum GCD

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Chef has a set consisting of N integers. Chef calls a subset of this set to be good if the subset has two or more elements. He denotes all the good subsets as S1, S2, S3, ... , S2N-N-1. Now he represents the GCD of the elements of each good subset Si as Gi. Chef wants to find the maximum Gi. Input - The first line of the input contains an integer T denoting the number of test cases. The descrip

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solution.cppC++17

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