Picking stones from boxes in appropriate ways
Source: Turkey TST 2019 Day 1 P1
March 26, 2019
combinatorics
Problem Statement
In each one of the given boxes, there are stones numbered as with total mass of kilogram. In all situations satisfying these conditions, if one can pick stones from different boxes with different numbers, with total mass of at least 1 kilogram, in different ways, what is the maximal of ?