A Riddle V2

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There were four friends who used to live together in 19th century in South California. Each of them knew to solve only one kind of mathematical operator. One day, walking by a temple, they found a metal piece with N numbers engraved on it. When they showed it to the priest, he suggested that it might be an indication of the coordinates of a treasure. He also suggested that it can be cracked by per

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solution.cppC++17

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