题解 | #参数解析#

import java.util.*;

public class Main{

public static void main(String[] args){
    Scanner s = new Scanner(System.in);
    String line = s.nextLine();
     String[] arr =line.split(" ");
    StringBuilder sb  = new StringBuilder();
    int count=0;
    for (int i =0;i<arr.length;i++){
        String tmp = arr[i];
        if (tmp.startsWith("\"")){
            sb.append(tmp.replaceAll("\"", "")).append(tmp.endsWith("\"") ? "\n" : " ");
            count++;
        }else if (sb.toString().endsWith(" ")){
            if (tmp.endsWith("\"")){
                sb.append(tmp.replace("\"","")).append("\n");
            }else{
                sb.append(tmp).append(" ");
            }
        }else{
            sb.append(tmp).append("\n");
            count++;
        }
    }
    System.out.println(count);
    System.out.println(sb.toString());
}

}