[브론즈 Ⅴ] 15439번 :: Vera and Outfits / Java

 

 

https://www.acmicpc.net/problem/15439

15439번: Vera and Outfits

 

 

 

 

import java.util.Scanner;

public class Main {
	public static void main(String[] args) {
		Scanner scan = new Scanner(System.in);
		
		int N = scan.nextInt();
		System.out.println(N*(N-1));
		scan.close();
	}
}