10872 : 팩토리얼 (C++)

 

10872번: 팩토리얼

---

#include<iostream>
using namespace std;

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

int main() {
    int n;
    
    scanf("%d", &n);
    
    printf("%d", factorial(n));
    
    return 0;
}