AB and Strings

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Everyone know how great AB de-villiers is in the sporting world . Arpit thought AB De-villiers could do anything no matter what it is, however his brother didn’t believe him . To make his brother believe him he contacted AB and gave him a problem in which he gave him a two strings where the second string was the reverse of the first . He asked him to find the longest substring which is the prefix

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solution.cppC++17

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