Chef and Function

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Chef Yakawaka is back again with queries. 'Shit..' Chef Yakawaka is famous for his weird queries. This time he wants to implement a special type of function over some sequence of numbers. Actually he wants to judge how powerful an array is by this function known as Yakawaka's function given by: So he asks his friend Chef Alexey several queries. Each query contains L and R. Now Chef Alexey ha

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solution.cppC++17

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