Fixes hacktoberfest17#1807 (hacktoberfest17#1811)

OarpitO · t2013anurag · commit d0bcc65d1b8d · 2017-10-31T12:27:45.000+05:30
diff --git a/palindrome/ruby/palindrome.rb b/palindrome/ruby/palindrome.rb
@@ -0,0 +1,27 @@
+string = ARGV[0]
+
+def check_palindrome(str)
+  str_unique = find_unique(str)
+  values = str_unique.values
+  count_of_1_char = values.count 1
+  count_of_zero_char = values.count 0
+  len = values.length
+  if count_of_1_char == 1 || count_of_zero_char == values.length
+    puts "String can be a palindrome"
+  else
+    puts "String can not be a palindrome"
+end
+
+end
+
+def find_unique(str)
+  a = {}
+  str.each_char do |chars|
+      cnt = str.count chars
+      a[chars] = cnt%2 unless a.key? chars
+  end
+  a
+end
+
+check_palindrome(string)
+
