Given an array, A, of n positive integers, each of which appears in A exactly twice, except

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Given an array, A, of n positive integers, each of which appears in A exactly twice, except for one integer, x, describe an O(n)-time method for finding x using only a single variable besides A.

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Algorithm Design And Applications

ISBN: 9781118335918

1st Edition

Authors: Michael T. Goodrich, Roberto Tamassia

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