7 coins are determined in 6 weighings; 32 real and 32 fake coins
Source: Saint Petersburg olympiad 2024, 10.2
September 22, 2024
combinatorics
Problem Statement
real and fake coins are given the same appearance. All fake coins weigh equally and less than the real ones, which also all weigh the same. How to determine the type of at least seven coins in six weighings on a scale with two bowls?