Game with numbers

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Chef is playing a game with his brother Chefu. Before the game begins, C cards are placed on a table. Each card has a number written on it; since C can be very large, these numbers are described by two sequences A and D. Each of these sequences has length N; for each i (1 ≤ i ≤ N), Di cards, each with number Ai written on it, are placed on the table. Therefore, C is equal to the sum of elements of

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solution.cppC++17

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