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DK-GEORGMOHR 2014 Problem 5

    Let x0,x1,...,x2014x_0, x_1, . . . , x_{2014} be a sequence of real numbers, which for all i<ji < j satisfy xi+xj≤2jx_i + x_j \le 2j . Determine the largest possible value of the sum x0+x1+⋅⋅⋅+x2014x_0 + x_1 + · · · + x_{2014} .

    Dataset text AI-MO AoPS. Quoted with source.

    Official text: Georg Mohr Contest 2014 official paper, page 1.

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