题目

参考

import java.util.Arrays;
import java.util.Scanner;

public class Main {
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);
        int L1 = scanner.nextInt();
        int L2 = scanner.nextInt();

        int[] A = new int[L1];
        int[] B = new int[L2];

        for (int i = 0; i < L1; i++) {
            A[i] = scanner.nextInt();
        }

        for (int i = 0; i < L2; i++) {
            B[i] = scanner.nextInt();
        }

        int suma = Arrays.stream(A).sum();
        int sumb = Arrays.stream(B).sum();
        int ava = (suma + sumb) / 2;
        int value = Math.abs(ava - Arrays.stream(A).sum());

        Arrays.sort(A);
        Arrays.sort(B);

        if (suma > sumb) {
            for (int item : A) {
                if (Arrays.binarySearch(B, item - value) >= 0) {
                    System.out.println(item + " " + (item - value));
                    break;
                }
            }
        } else {
            for (int item : A) {
                if (Arrays.binarySearch(B, item + value) >= 0) {
                    System.out.println(item + " " + (item + value));
                    break;
                }
            }
        }
    }
}

https://blog.csdn.net/weixin_52908342/article/details/135128253