[백준-자바] 10872번 팩토리얼 / 2022.03.22

 

https://www.acmicpc.net/problem/10872

10872번: 팩토리얼

 

 

import java.util.Scanner;

public class Main {
    public static int factorial(int n){
        if(n<=1) // 0!은 1
            return 1;
        return n*factorial(n-1);
    }
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        int N = sc.nextInt();
        System.out.println(factorial(N));
    }
}