Solve : Encode and Decode Strings

Author: printjin-gmailcom

encode-and-decode-strings/printjin-gmailcom.py

@@ -0,0 +1,18 @@
+class Solution:
+    def encode(self, strs):
+        res = ''
+        for s in strs:
+            res += str(len(s)) + '#' + s
+        return res
+
+    def decode(self, s):
+        res = []
+        i = 0
+        while i < len(s):
+            j = i
+            while s[j] != '#':
+                j += 1
+            length = int(s[i:j])
+            res.append(s[j+1:j+1+length])
+            i = j + 1 + length
+        return res