OBM 2025 Problem 1
Prove que existe um inteiro positivo e números reais não negativos
satisfazendo as três propriedades a seguir:
(i) ;
(ii) ;
(iii) , onde para todo .
Além disso, encontre o menor inteiro positivo com tal propriedade.
Official text Brazilian Mathematical Olympiad 2025 official paper, page 1. Quoted with source.
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