Create length-of-the-longest-alphabetical-continuous-substring.py

Author: kamyu104

Python/length-of-the-longest-alphabetical-continuous-substring.py

@@ -0,0 +1,17 @@
+# Time:  O(n)
+# Space: O(1)
+
+# string
+class Solution(object):
+    def longestContinuousSubstring(self, s):
+        """
+        :type s: str
+        :rtype: int
+        """
+        result = l = 0
+        for i in xrange(len(s)):
+            l += 1
+            if i+1 == len(s) or ord(s[i])+1 != ord(s[i+1]):
+                result = max(result, l)
+                l = 0
+        return result