[브론즈 Ⅳ] 4299번 :: AFC 윔블던 / Java

 

 

 

 

문제

https://www.acmicpc.net/problem/4299

4299번: AFC 윔블던

 

 

 

 

 

코드

import java.util.Scanner;

public class Main {
	public static void main(String[] args) {
		Scanner scan = new Scanner(System.in);
		int x = scan.nextInt();
		int y = scan.nextInt();
		scan.close();

		if(x < y) {
			System.out.println("-1");
			
		} else {
			int a = (x+y)/2;
			int b = (x-y)/2;
			
			if(a+b == x && a-b == y) {
				System.out.println(a + " "+ b);
			} else {
				System.out.println("-1");
			}
			
		}
	}
}

 

 

 

 

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