문제
제출답안
import java.util.*;
public class Main {
public static void main(String[] args) {
Scanner sc = new Scanner(System.in);
int num = sc.nextInt();
int result = factorial(num);
System.out.println(result);
sc.close();
}
static int factorial(int num) {
if(num>0) {
return num * factorial(num-1);
}else {
return 1;
}
}
}
출처