Factorial

Question

#include <iostream>
using namespace std;

int factorial(int n) {
if (n==1) {
return 1;
}
else {
return n * factorial(n-1);
}
}

int main() {
cout << factorial(5);
}

can it be done with cin so that user has to input a numbet, and could someone give an example maybe, thanks

Answer 1

Sure, why not?

#include <iostream>

int factorial(int n)
{
return n <= 1 ? 1 : n * factorial(n - 1);
}

int main()
{
int n;
std::cin >> n;
std::cout << factorial(n) << std::endl;
}

Answer 2

take a look at this code
https://code.sololearn.com/cTcbz3rrJaw7/?ref=app

Answer 3

Great, thanks ☺

Answer 4

I don't think you understood what I was saying