diff --git a/README.md b/README.md index 459ac5b6..d3f344f2 100644 --- a/README.md +++ b/README.md @@ -453,6 +453,7 @@ Profile on LeetCode: [fartem](https://leetcode.com/fartem/). | 2540. Minimum Common Value | [Link](https://leetcode.com/problems/minimum-common-value/) | [Link](./lib/easy/2540_minimum_common_value.rb) | [Link](./test/easy/test_2540_minimum_common_value.rb) | | 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) | +| 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 d0c82552..122e1a39 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 = '9.2.1' + s.version = '9.2.2' s.license = 'MIT' s.files = ::Dir['lib/**/*.rb'] + %w[README.md] s.executable = 'leetcode-ruby' diff --git a/lib/easy/3498_reverse_degree_of_a_string.rb b/lib/easy/3498_reverse_degree_of_a_string.rb new file mode 100644 index 00000000..f8f2f6e2 --- /dev/null +++ b/lib/easy/3498_reverse_degree_of_a_string.rb @@ -0,0 +1,17 @@ +# frozen_string_literal: true + +# https://leetcode.com/problems/reverse-degree-of-a-string/ +# @param {String} s +# @return {Integer} +def reverse_degree(s) + result = 0 + + (0...s.size).each do |i| + c = s[i] + val = (c.ord - 123).abs * (i + 1) + + result += val + end + + result +end diff --git a/test/easy/test_3498_reverse_degree_of_a_string.rb b/test/easy/test_3498_reverse_degree_of_a_string.rb new file mode 100644 index 00000000..1a48f9ee --- /dev/null +++ b/test/easy/test_3498_reverse_degree_of_a_string.rb @@ -0,0 +1,25 @@ +# frozen_string_literal: true + +require_relative '../test_helper' +require_relative '../../lib/easy/3498_reverse_degree_of_a_string' +require 'minitest/autorun' + +class ReverseDegreeOfAStringTest < ::Minitest::Test + def test_default_one + assert_equal( + 148, + reverse_degree( + 'abc' + ) + ) + end + + def test_default_two + assert_equal( + 160, + reverse_degree( + 'zaza' + ) + ) + end +end