Factorial of the "N" natural numbers using recursion and iterative method in CPP language

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In this post, I am gonna show you how to find factorial of N numbers using recursion and as well as iterative approach, Here is the video clip of recursion that will visualize that how the recursion work.




  

Here's the code below in this code I have used input.txt and outout.txt for input-output purpose.
and you can also use the code below and visualize using the recursion visualizer tool using this link

Recursive approach

It will take one integer value to find out the factorial and in this, we will take the first base condition, where the recursion will stop and we will get our final answer, and second which will create the stack size of the given number.





Iterative Approach

For the iterating approach, we just have to iterate the one variable "i" until we got the last number "n".
and parallelly multiplying it with the "fact" variable which we have declared as "1" before.



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