Chef and chess

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Chef is a champion in chess game. One day he decided to calculate the number of squares in the chess board of size $NXN$. Chef is quite busy now-a-days. So he ask you to calculate it. ###Input: - The first line of test case contains a single integer $T$ denoting the number of test cases.The description of $T$ test cases follows. - The first and only line of each test case contains one integer $N

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solution.cppC++17

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