Fill it

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Arko decided to drink exactly **K** litres of water. However , in front of him, there is a tank of infinite amount of water and 2 empty bottles of quantity **x** litres and **y** litres respectively. Now Arko can do the following operations to any bottle - Fill it completely from the tank - Empty it entirely - Transfer as much water from bottle 1 to bottle 2, till bottle 1 gets empty or bottle 2

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solution.cppC++17

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