10872번 - 팩토리얼

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

10872번: 팩토리얼

import java.util.Scanner;

public class problem {
		//10872번 팩토리얼 
	public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        	
       int n = sc.nextInt();
       int result = 1;
       for(int i = n; i >= 1; i--) {
    	   result *=i;
       }
       System.out.println(result);
    }
}