题解 | #参数解析#

import java.time.LocalDate;
import java.time.temporal.ChronoUnit;
import java.util.*;

public class Main {
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        String s = sc.nextLine();

        ArrayList<String> list = new ArrayList<>();
        StringBuilder sb = new StringBuilder();
        for (int i = 0; i < s.length(); i++) {
            char c = s.charAt(i);
            if (c == '"') {
                while (true) {
                    i++;
                    c = s.charAt(i);
                    if (c != '"') {
                        sb.append(c);
                    } else {
                        list.add(sb.toString());
                        sb = new StringBuilder();
                        break;
                    }
                }
                continue;
            }
            sb.append(c);
            if (c == ' ') {
                sb.deleteCharAt(sb.length() - 1);
                if(!sb.toString().equals("")){
                    list.add(sb.toString());
                }
                sb = new StringBuilder();
            } else if (i == s.length() - 1) {
                list.add(sb.toString());
            }
        }
        System.out.println(list.size());
        for (String string : list) {
            System.out.println(string);
        }
    }
}