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Chef and Strange Formula

CodeChefRating 1817Open on judge ↗

For positive integer x let define function F(x) = 1 * (1! + x) + 2 * (2! + x) + .. + x * (x! + x). "k!" means factorial: k! = 1 * 2 * .. * k Chef wants to calculate F(p1) + F(p2) + ... + F(pn). As answer could be large, help him, calculate value modulo m. Input First line contains two integers n and m. Next line contains n space separated integers pi. Output Output a single line containing

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solution.cppC++17

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