白駿Baekjoon 2309号七人小人-JAVA

20
7
23
19
10
15
25
8
13

7
8
10
13
19
20
23

import java.util.ArrayList;
import java.util.Collections;
import java.util.List;
import java.util.Scanner;

public class Main {
	public static void main(String[] args) {
		@SuppressWarnings("resource")
		Scanner sc = new Scanner(System.in);

		int sum = -100;
		List<Integer> list = new ArrayList<>();
		while (sc.hasNextInt()) { // 라인별 접근을 위한 순한
			String str = sc.nextLine();
			int num = Integer.parseInt(str);
			list.add(num);
			sum += num;
		}

		out: for (int i = 0; i < list.size(); i++) {
			for (int j = list.size() - 1; j > i; j--) {
				if (sum == list.get(i) + list.get(j)) {
					list.set(i, 0);
					list.set(j, 0);
					break out;
				}
			}
		}
		Collections.sort(list);
		for (int i = 0; i < list.size(); i++) {
			if (list.get(i) > 0) {
				System.out.println(list.get(i));
			}
		}

	}
}