import java.util.Scanner; //思路在最下面,这样分析完再写代码,还挺好 public class Main { public static void main(String[] args) { Scanner in = new Scanner(System.in); int n = in.nextInt(); in.nextLine(); String s = in.nextLine(); getMusicList(n, s); } private static void getMusicList(int n, String options) { int curren...