On Mon, Dec 22, 2008 at 1:50 PM, Alex Smith <[email protected]> wrote:
> "Counterfeit", by ais523: > The question is: can you come up with a strategy which > guarantees that you know which coin is the counterfeit one after just 3 > weighings on your scales? (Which piles of coins you use for later > weighings on the scales can depend on the results of earlier weighings, > if you want.) Hmmm, a few years ago, I served as a subject for a psych experiment where I had to solve this exact puzzle on an electronic interface. Since Alex is unsure whether he was specific enough about what exactly he was asking, I might be able to dig out a link to that interface somewhere if it helps. BP
