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MathNet 2021 — Part 11 Question 22

Math Olympiad Vault · MathNet 2021 — Part 11

Question 22

Determine if there exists pairwise distinct positive integers $a_1, a_2, ..., a_{101}, b_1, b_2, ..., b_{101}$ satisfying the following property: for each non-empty subset $S$ of $\{1, 2, ..., 101\}$ the sum $\sum_{i \in S} a_i$ divides $100! + \sum_{i \in S} b_i$.