C - Chef and Maths

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Chef is solving mathematics problems. He is preparing for Engineering Entrance exam. He's stuck in a problem. $f(n)=1^n*2^{n-1}*3^{n-2} * \ldots * n^{1} $ Help Chef to find the value of $f(n)$.Since this number could be very large, compute it modulo $1000000007$. ###Input: - First line will contain $T$, number of testcases. Then the testcases follow. - Each testcase contains of a single line

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solution.cppC++17

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