IMO Shortlist 1968 problem 21


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2. travnja 2012.
1968 shortlist tb
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Let a_0, a_1, \ldots , a_k \ (k \geq 1) be positive integers. Find all positive integers y such that
a_0 | y, (a_0 + a_1) | (y + a1), \ldots , (a_0 + a_n) | (y + a_n).
Izvor: Međunarodna matematička olimpijada, shortlist 1968