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Existence

CodeChefRating 928Open on judge ↗

Chef has two variables $X$ and $Y$. He wants to find out whether the variables satisfy the equation: - $X^4 +4 \cdot Y^2 = 4 \cdot X^2 \cdot Y$ ### Input - The first line of input will contain a single integer $T$, denoting the number of test cases. - Each test case consists of two integers $X$ and $Y$, as mentioned in statement. ### Output For each test case, output `YES` if the variables $X$

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solution.cppC++17

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