Visiting Toy Store

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Chefina is not too happy with the way Chef has treated her in the past. To impress her, Chef takes her to the Toy Store in Chefland. The Toy Store consists of $n$ toys, each with a price $a_i.$ The Toy store of Chefland is unique in its own ways: - The amount of each toy in the store can be positive, negative or zero. - The total amount of purchase is calculated by multiplying the amounts of th

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