Question: Suppose you have an unsorted array A of n elements and we want to know if A contains any duplicate elements. These elements are integers

Suppose you have an unsorted array A of n elements and we want to know if A contains any duplicate elements. These elements are integers from the range 1, , 2n.

Tell the asymptotic order T(n) of the worst-case running time for this solution. Try to find the efficient algorithm.

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