Recursion In C#

Question

in c# , recursion is factorial. ex.

static int fact(int n)
if(n==1) returns 1}
return n*fact(n-1)

what I'm confused about is what is n-1 ? , why when I change it, it becomes weird

Answer 1

This will help you:

https://code.sololearn.com/cd853UUOeh4M/?ref=app

Answer 2

Zarediq Bat
You just gave yourself best answer and an upvote.

Why bother asking us if you are right

Answer 3

Firstly, you made a number of gross errors in this code because of which it will not work, and secondly, the factorial of the number n multiplies a series of consecutive numbers n, and does not add, and thirdly (n-1) is an iterator of a recursive function.

Answer 4

Zarediq Bat

There is * not +

n - 1 is used to decrement value by 1 to meet the condition n == 1 so program can stop there and we can get final result.

If you change n-1 to n then program will run forever.

Answer 5

Hi bro

Answer 6

I am c# course Leni to explain bro please

Answer 7

I found it. n-1 is a skip number. ex. base if(1)
instruction +
input 5
(n-1
5+4+3+2+1 )
(n-2
5+3+1)
Am I right?