Get Function Value

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You are given an array $A$ of $n$ integers as input. You have to answer $q$ queries. In each query, you are given two space-seperated integers, $l$ & $r$, as input. For each query, you have to output the special value of the sub-array [l,..r]. $Special Value (Sub-Array [l,..,r])$ = $f(l)$ | $f(l+1)$ | ... | $f(r-1)$, where | is the $Bitwise - OR$ operator. $f(i)$ = ($A[i]$ x $A[i+1]

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solution.cppC++17

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