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Natural Factorial

Problem Description - The_Pathogen loves to multiply. He believes that multiplication is a special kind of operation. thus he wants to multiply more and more. The bast way to do this is to calculate the factorial of a big number. But now he is stuck with a problem. As the numbers increases it takes a good ammount of time to The_Pathogen to solve it. But he want to solve it ASAP he dosent care wha

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solution.cppC++17

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