Accenture interview question - Find the only unpaired element in the array

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Published on 2010-04-15T09:42:33Z Indexed on 2010/04/16 5:33 UTC
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You have been given an array of size 2n+1 that have n pair of integers(can be +ve, -ve or 0) and one unpaired element.

How would you find the unpaired element.

Pair means duplicate. So (3,3) is a pair and (3,-3) is not a pair.

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