olymmath

HMIC 2022 Problem 3

    For a nonnegative integer nn, let s(n)s(n) be the sum of digits of the binary representation of nn. Prove that

    ∑n=022022−1(−1)s(n)2022+n>0\sum_{n=0}^{2^{2022}-1} \frac{(-1)^{s(n)}}{2022+n}>0

    Dataset text NuminaMath olympiads. Quoted with source.

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