import java.util.Scanner; import java.util.*; import java.util.stream.Collectors; // 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 sc = new Scanner(System.in); while (sc.hasNext()) { //几个数 int num = sc.nextInt(); for (int i = 0; i < num; i...