IMO Shortlist 1967 problem 5
Dodao/la:
arhiva2. travnja 2012. Let
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be a positive integer. Find the maximal number of non-congruent triangles whose sides lengths are integers
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Let $n$ be a positive integer. Find the maximal number of non-congruent triangles whose sides lengths are integers $\leq n.$
Izvor: Međunarodna matematička olimpijada, shortlist 1967