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); while (in.hasNextLine()) { int size = Integer.parseInt(in.nextLine()); int order = Integer.parseInt(in.nextLine()); List<String[]> list = ...
