Got this one on my algorithms final today. Didnt give me much trouble so maybe it's not worthy of ars .<BR><BR><BR>You have 81 coins that are all supposed to be gold coins of the same weight, except ...
Thirty €1 coins are arranged in a circle on a table. Ten of these coins are fake and a little lighter than the 20 real coins. You don’t know where in the circle the fake coins are, but you have been ...
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