Question: Given two integer arrays, A and B of length n each, write an efficient algotihm to find an integer that occurs the same number of

Given two integer arrays, A and B of length n each, write an efficient algotihm to find an integer that occurs the same number of times in both A and B.

extra:

solve this recurrence: T(1) = 1; T(n) = T(n/4) + n

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