136

TedTran2019 · TedTran2019 · commit 51337c445199 · 2022-07-06T17:09:14.000-07:00
diff --git a/ruby/136-Single-Number.rb b/ruby/136-Single-Number.rb
@@ -0,0 +1,3 @@
+def single_number(nums)
+  nums.inject { |accu, num| accu ^ num }
+end
