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Fast Enterprises Software Developer Interview Question

"find the heavier bean... you have 6 beans and can only use the scale twice... the scale is an old time balance (think of the justice scales)"
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Part of a Software Developer Interview Review - one of 70 Fast Enterprises Interview Reviews

Answers & Comments

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3 beans on each side of the scale. eliminate the 3 lighter beans.
weigh 2 of the 3 beans remaining. if they weigh the same, the heavier bean is the unweighed one. choose the heavier one otherwise.

- Anonymous on Nov 19, 2012

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