Home → Magazine Archive → November 2012 (Vol. 55, No. 11) → Puzzled: Weighed in the Balance → Abstract

Puzzled: Weighed in the Balance

By Peter Winkler

Communications of the ACM, Vol. 55 No. 11, Page 120

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Many of us have pondered puzzles involving a set of n coins and a balance scale. Here we take a slightly different tack: a set of coins and a balance scale that can tell us which of two sets of coins is heavier or that they are of equal weight.

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