MathDB
2022 Combinatorics 4

Source:

March 18, 2022
combinatorics

Problem Statement

Compute the number of nonempty subsets S⊆{−10,−9,−8,...,8,9,10}S \subseteq\{-10,-9,-8, . . . , 8, 9, 10\} that satisfy ∣S∣+ min(S)⋅max⁡(S)=0.|S| +\ min(S) \cdot \max (S) = 0.
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