Question: Design an algorithm that determines whether a list of 9 - digit strings of size n contains a pair of integers x , y such

Design an algorithm that determines whether a list of 9-digit strings of size n contains a pair of integers x, y such that the digits of x are in the reverse order of the digits of y (e.g 123456789 and 987654321). The running time should be O ( n log n )

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