1 1 calculate factorial write a function that calculates factorial of a number facto 5347058

1.1 Calculate Factorial

Write a function that calculates factorial of a number. Factorial function should

accept integer number n as input and return the factorial of a number. Proto-

type of a factorial function is: unsigned long factorial (int n). Using for

loop, print factorial for n = 0 to 10. Output should looks like as follows.

factorial output:

0! = 1

1! = 1

2! = 2

3! = 6

4! = 24

5! = 120

6! = 720

7! = 5040

8! = 40320

9! = 362880

10! = 3628800

Hint: The factorial of a integer n, denoted by n!, is the product of all positive

integers less than or equal to n. For example, 5! = 5 4 3 2 1 = 120.

0! is a special case that is explicitly dened to be 1. There are many ways to

implement factorial function. You can use for loop to implement factorial.

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