[LC] feat: 240824 encode-and-decode-string

Author: HaJunYoo

encode-and-decode-strings/hajunyoo.py

@@ -0,0 +1,18 @@
+class Solution1:
+    """
+    @param: strs: a list of strings
+    @return: encodes a list of strings to a single string.
+    """
+    # time complexity: O(n)
+    # space complexity: O(1)
+    def encode(self, strs):
+        return ":;".join(strs)
+
+    """
+    @param: str: A string
+    @return: decodes a single string to a list of strings
+    """
+    # time complexity: O(n)
+    # space complexity: O(1)
+    def decode(self, str):
+        return str.split(":;")