Merge pull request neetcode-gh#547 from vfonic/main

Create 271-Encode-and-Decode-Strings.rb

Author: Ahmad-A0

ruby/271-Encode-and-Decode-Strings.rb

@@ -0,0 +1,23 @@
+# Encodes a list of strings to a single string.
+#
+# @param {string[]} strs
+# @return {string}
+def encode(strs)
+  strs.reduce('') do |acc, cur|
+    "#{acc}\n#{cur.chars.map{_1.ord.to_s}.join(',')}"
+  end[1..] + "\n"
+end
+
+# Decodes a single string to a list of strings.
+#
+# @param {string} s
+# @return {string[]}
+def decode(s)
+  s.each_line.map do |nums|
+    nums[...-1].split(',').map(&:to_i).map(&:chr).join('')
+  end
+end
+
+
+# Your functions will be called as such:
+# decode(encode(strs))