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Amazon.com Software Development Engineer Intern Interview Question

I interviewed in Seattle, WA and was asked:
"Normalization questions coding question: Program to find the element occurring odd number of times in an array Complexity"
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Part of a Software Development Engineer Intern Interview Review - one of 4,689 Amazon.com Interview Reviews

Answers & Comments

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ended the interview 15 min earlier and asked me to mail the solution.

- Interview Candidate on May 9, 2012
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Just scan the array and XOR(^) the elements..
the result is the element which occurs odd number of times

- Spandan pathak on Jul 25, 2012

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