MathDB
TOT 081 1985 Spring Train J2 68 coins, 100 weighings , heaviest - lightest

Source:

August 24, 2019
gamegame strategyweighingscombinatorics

Problem Statement

There are 6868 coins , each coin having a different weight than that of each other . Show how to find the heaviest and lightest coin in 100100 weighings on a balance beam.
(S. Fomin, Leningrad)