How I can assign Factorial to array?

Question

I wanna store the Factorial of Array to another array with the same size
Example:
Factorial*=arr1[i]
If I enter number 2 to the position[0] will give me the Factorial and I wanna store it in the second function with the same position?

Answer 1

What do you mean by "factorial of array"?

Answer 2

Thanks I solve the problem