最后一个单词的长度

yingl · yingl · commit d686864239fa · 2016-08-04T13:44:41.000+08:00
diff --git a/length_of_last_word.py b/length_of_last_word.py
@@ -0,0 +1,15 @@
+# -*- coding: utf-8 -*-
+
+class Solution:
+    # @param {string} s A string
+    # @return {int} the length of last word
+    def lengthOfLastWord(self, s):
+        # Write your code here
+        ret, i = 0, len(s) - 1
+        while i >= 0:
+            if s[i] != ' ':
+                ret += 1
+            elif ret > 0:
+                break
+            i -= 1
+        return ret
