Play with Numbers

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Ramneek has some numbers with her. She loves to play with numbers. She uses two arrays A and B to arrange the numbers. In array A she keeps some elements,let it be, A1,A2...AN. And in array B she keeps some other elements, let it be, B1,B2...BN. There is a relationship between Ai and Bi, ∀ 1 ≤ i ≤ N, i.e., any element Ai lies between 1 and Bi. Let the cost S of an array A be defined as: S = Σ

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solution.cppC++17

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