Water Requirement

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Finally, after purchasing a water cooler during the April long challenge, Chef noticed that his water cooler requires $2$ liters of water to cool for **one** hour. How much water (in liters) would be required by the cooler to cool for $N$ hours? ### Input - The first line of input will contain an integer $T$ — the number of test cases. The description of $T$ test cases follows. - The first and o

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solution.cppC++17

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