3852. Smallest Pair With Different Frequencies

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You are given an integer array nums. Consider all pairs of distinct values x and y from nums such that: - x < y - x and y have different frequencies in nums. Among all such pairs: - Choose the pair with the smallest possible value of x. - If multiple pairs have the same x, choose the one with the smallest possible value of y. Return an integer array [x, y]. If no valid pair exists, return [

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solution.cppC++17

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