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max no of different from {1,2,...,2013} so that no 2 have difference equal to 17

Source: JBMO Shortlist 2013 C1

April 24, 2019
number theorysets of integersSubsetDifference

Problem Statement

Find the maximum number of different integers that can be selected from the set {1,2,...,2013} \{1,2,...,2013\} so that no two exist that their difference equals to 1717.
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