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MCS,PHD
Argosy University/ Phoniex University/
Nov-2005 - Oct-2011
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Phoniex University
Oct-2001 - Nov-2016
The factorial of n (written n!) is the product of the integers between 1 and n. Thus 4! = 1*2*3*4 = 24. By definition, 0! = 1. Factorial is not defined for negative numbers.
1. Write a program that asks the user for a non-negative integer and computes and prints the factorial of that integer. YouA????1ll need a while loop to do most of the work - this is a lot like computing a sum, but itA????1s a product instead. And youA????1ll need to think about what should happen if the user enters 0.
2. Now modify your program so that it checks to see if the user entered a negative number. If so, the program should print a message saying that a nonnegative number is required and ask the user to enter another number. The program should keep doing this until the user enters a nonnegative number, after which it should compute the factorial of that number.
Hint: you will need another while loop before the loop that computes the factorial. You should not need to change any of the code that computes the factorial!
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