题解 | #字符串最后一个单词的长度#

import java.util.*;

public class Main{
    public static void main(String[] args){
        Scanner sc = new Scanner(System.in);
        while (sc.hasNextLine()) {
            String line = sc.nextLine();
            line = line.substring(line.lastIndexOf(" ") + 1);
            System.out.println(line.length());
        }
    }
}