import java.util.*; // 注意类名必须为 Main, 不要有任何 package xxx 信息 public class Main { public static void main(String[] args) { Scanner in = new Scanner(System.in); int n = in.nextInt(), k = in.nextInt(); int[] arr1 = new int[n], arr2 = new int[n]; for (int i = 0; i < ...