2025-04-09 v. 9.2.2: added "3498. Reverse Degree of a String"

Author: fartem

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
 

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'

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

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