CHINESE PUZZLE

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Write a program to solve a classic ancient Chinese puzzle: We count n heads and m legs among the chickens and rabbits in a farm. How many rabbits and how many chickens do we have? ###Input: - First line will contain $T$, number of testcases. Then the testcases follow. - Each testcase contains of a multi line of input, two integers $N, M$. ###Output: For each testcase, output in a single line

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solution.cppC++17

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