题解 | #字符串最后一个单词的长度#

import java.util.Scanner;
public class Main{
public static void main(String[] args){
int length = 0;
Scanner input = new Scanner(System.in);
String s = input.nextLine();
String[] k = s.split(" ");
System.out.print(k[k.length-1].length());
}
}