Gcd Forever

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Chef has completely fallen in love with GCD so he invented a problem himself called chefing but is unable to solve it. Help him find a solution. You are given an array $A$ of length $N$. The chefing value of any subarray is the GCD of the all the numbers in the main array that are not in the subarray. In other words, for a subarray $A_L,A_{L+1}...,A_R$, the chefing value is $GCD(A_1,A_2,.....A_{L

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solution.cppC++17

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