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FormulaTime Limit: 4000/2000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 1585 Accepted Submission(s): 572 Problem Description $f(n) = (\prod\limits_{i=1}^{n}i^{n-i+1})\%1000000007$ You are expected to write a program to calculate f(n) when a certain n is given. Input Multi test cases (about 100000), every case contains an integer n in a single line. Please process to the end of file. [Technical Specification] $1 \leq n \leq 10000000$ Output For each n£Ĵoutput f(n) in a single line. Sample Input
Sample Output
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