HJ001题解 | #字符串最后一个单词的长度#
//import java.io.*;
import java.util.Scanner;
public class Main {
public static void main(String[] args) {
//InputStream in = System.in;
Scanner sc = new Scanner(System.in);
String s = null;
while (sc.hasNext()) {
s = sc.nextLine();
//倒序双指针
int i = s.length() - 1;
int j = i;
while (j >= 0 && s.charAt(j) != ' ') {
j--;
}
int len = i - j;
System.out.println(len);
}
}
}
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