2025-01-17 v. 8.1.3: added "2683. Neighboring Bitwise XOR"

README.md

@@ -653,6 +653,7 @@ Profile on LeetCode: [fartem](https://leetcode.com/fartem/).
 | 2425. Bitwise XOR of All Pairings                                | [Link](https://leetcode.com/problems/bitwise-xor-of-all-pairings/)                                 | [Link](./lib/medium/2425_bitwise_xor_of_all_pairings.rb)                                | [Link](./test/medium/test_2425_bitwise_xor_of_all_pairings.rb)                                |
 | 2429. Minimize XOR                                               | [Link](https://leetcode.com/problems/minimize-xor/)                                                | [Link](./lib/medium/2429_minimize_xor.rb)                                               | [Link](./test/medium/test_2429_minimize_xor.rb)                                               |
 | 2657. Find the Prefix Common Array of Two Arrays                 | [Link](https://leetcode.com/problems/find-the-prefix-common-array-of-two-arrays/)                  | [Link](./lib/medium/2657_find_the_prefix_common_array_of_two_arrays.rb)                 | [Link](./test/medium/test_2657_find_the_prefix_common_array_of_two_arrays.rb)                 |
+| 2683. Neighboring Bitwise XOR                                    | [Link](https://leetcode.com/problems/neighboring-bitwise-xor/)                                     | [Link](./lib/medium/2683_neighboring_bitwise_xor.rb)                                    | [Link](./test/medium/test_2683_neighboring_bitwise_xor.rb)                                    |
 | 3223. Minimum Length of String After Operations                  | [Link](https://leetcode.com/problems/minimum-length-of-string-after-operations/)                   | [Link](./lib/medium/3223_minimum_length_of_string_after_operations.rb)                  | [Link](./test/medium/test_3223_minimum_length_of_string_after_operations.rb)                  |
 
 ### Hard

leetcode-ruby.gemspec

@@ -5,7 +5,7 @@ require 'English'
 ::Gem::Specification.new do |s|
   s.required_ruby_version = '>= 3.0'
   s.name = 'leetcode-ruby'
-  s.version = '8.1.2.1'
+  s.version = '8.1.3'
   s.license = 'MIT'
   s.files = ::Dir['lib/**/*.rb'] + %w[README.md]
   s.executable = 'leetcode-ruby'

lib/medium/2683_neighboring_bitwise_xor.rb

@@ -0,0 +1,6 @@
+# frozen_string_literal: true
+
+# https://leetcode.com/problems/neighboring-bitwise-xor/
+# @param {Integer[]} derived
+# @return {Boolean}
+def does_valid_array_exist(derived) = derived.reduce(:^).zero?

test/medium/test_2683_neighboring_bitwise_xor.rb

@@ -0,0 +1,31 @@
+# frozen_string_literal: true
+
+require_relative '../test_helper'
+require_relative '../../lib/medium/2683_neighboring_bitwise_xor'
+require 'minitest/autorun'
+
+class NeighboringBitwiseXORTest < ::Minitest::Test
+  def test_default_one
+    assert(
+      does_valid_array_exist(
+        [1, 1, 0]
+      )
+    )
+  end
+
+  def test_default_two
+    assert(
+      does_valid_array_exist(
+        [1, 1]
+      )
+    )
+  end
+
+  def test_default_three
+    assert(
+      !does_valid_array_exist(
+        [1, 0]
+      )
+    )
+  end
+end