diff --git a/README.md b/README.md index b1c696fc..1fb1b991 100644 --- a/README.md +++ b/README.md @@ -454,6 +454,7 @@ Profile on LeetCode: [fartem](https://leetcode.com/fartem/). | 2544. Alternating Digit Sum | [Link](https://leetcode.com/problems/alternating-digit-sum/) | [Link](./lib/easy/2544_alternating_digit_sum.rb) | [Link](./test/easy/test_2544_alternating_digit_sum.rb) | | 2549. Count Distinct Numbers on Board | [Link](https://leetcode.com/problems/count-distinct-numbers-on-board/) | [Link](./lib/easy/2549_count_distinct_numbers_on_board.rb) | [Link](./test/easy/test_2549_count_distinct_numbers_on_board.rb) | | 3110. Score of a String | [Link](https://leetcode.com/problems/score-of-a-string/) | [Link](./lib/easy/3110_score_of_a_string.rb) | [Link](./test/easy/test_3110_score_of_a_string.rb) | +| 3151. Special Array I | [Link](https://leetcode.com/problems/special-array-i/) | [Link](./lib/easy/3151_special_array_i.rb) | [Link](./test/easy/test_3151_special_array_i.rb) | | 3498. Reverse Degree of a String | [Link](https://leetcode.com/problems/reverse-degree-of-a-string/) | [Link](./lib/easy/3498_reverse_degree_of_a_string.rb) | [Link](./test/easy/test_3498_reverse_degree_of_a_string.rb) | ### Medium diff --git a/leetcode-ruby.gemspec b/leetcode-ruby.gemspec index 87dea6cd..291b8781 100644 --- a/leetcode-ruby.gemspec +++ b/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 = '9.2.3' + s.version = '9.2.4' s.license = 'MIT' s.files = ::Dir['lib/**/*.rb'] + %w[README.md] s.executable = 'leetcode-ruby' diff --git a/lib/easy/3151_special_array_i.rb b/lib/easy/3151_special_array_i.rb new file mode 100644 index 00000000..749ea856 --- /dev/null +++ b/lib/easy/3151_special_array_i.rb @@ -0,0 +1,16 @@ +# frozen_string_literal: true + +# https://leetcode.com/problems/special-array-i/ +# @param {Integer[]} nums +# @return {Boolean} +def is_array_special(nums) + return true if nums.size == 1 + + (0...nums.size - 1).each do |i| + return false if nums[i].even? && nums[i + 1].even? + + return false if nums[i].odd? && nums[i + 1].odd? + end + + true +end diff --git a/test/easy/test_3151_special_array_i.rb b/test/easy/test_3151_special_array_i.rb new file mode 100644 index 00000000..c7fa2a48 --- /dev/null +++ b/test/easy/test_3151_special_array_i.rb @@ -0,0 +1,31 @@ +# frozen_string_literal: true + +require_relative '../test_helper' +require_relative '../../lib/easy/3151_special_array_i' +require 'minitest/autorun' + +class SpecialArrayITest < ::Minitest::Test + def test_default_one + assert( + is_array_special( + [1] + ) + ) + end + + def test_default_two + assert( + is_array_special( + [2, 1, 4] + ) + ) + end + + def test_default_three + assert( + !is_array_special( + [4, 3, 1, 6] + ) + ) + end +end