Misha and Nice Sets

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Misha calls a non-empty set of positive integers *nice* if it has the following properties: - Each element of the set is between $l$ and $r$ (inclusive). - The greatest positive integer which divides each element of the set is exactly $g$. Misha likes nice sets, so she wants to find the size of the largest nice set. Help her solve the problem. ### Input - The first line of the input conta

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solution.cppC++17

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