IMO Shortlist 2001 problem N6
Dodao/la:
arhiva2. travnja 2012. Is it possible to find 100 positive integers not exceeding 25,000, such that all pairwise sums of them are different?
%V0
Is it possible to find 100 positive integers not exceeding 25,000, such that all pairwise sums of them are different?
Izvor: Međunarodna matematička olimpijada, shortlist 2001