TR-MO-R1 2023 Problem 20

$0 * 1 * 2 * 3 * \cdots * 30 * 31$ ifadesindeki 31 tane $*$ işaretinin her birinin yerine $+$ ya da $-$ işareti yazarak kaç farklı pozitif tam sayı elde edilebilir?

a) $224$ b) $248$ c) $312$ d) $368$ e) $496$

Dataset text TÜBİTAK olympiad set, Matematik_2023_1.Asama_20. Quoted with source.

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