2025-04-14 v. 9.2.5: added "2652. Sum Multiples"

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)                              |
+| 2652. Sum Multiples                                                | [Link](https://leetcode.com/problems/sum-multiples/)                                                | [Link](./lib/easy/2652_sum_multiples.rb)                                                | [Link](./test/easy/test_2652_sum_multiples.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)                                   |

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 = '9.2.4'
+  s.version = '9.2.5'
   s.license = 'MIT'
   s.files = ::Dir['lib/**/*.rb'] + %w[README.md]
   s.executable = 'leetcode-ruby'

lib/easy/2652_sum_multiples.rb

@@ -0,0 +1,16 @@
+# frozen_string_literal: true
+
+# https://leetcode.com/problems/sum-multiples/
+# @param {Integer} n
+# @return {Integer}
+def sum_of_multiples(n)
+  result = 0
+
+  (1..n).each do |i|
+    next if !(i % 3).zero? && !(i % 5).zero? && !(i % 7).zero?
+
+    result += i
+  end
+
+  result
+end

test/easy/test_2652_sum_multiples.rb

@@ -0,0 +1,28 @@
+# frozen_string_literal: true
+
+require_relative '../test_helper'
+require_relative '../../lib/easy/2652_sum_multiples'
+require 'minitest/autorun'
+
+class SumMultiplesTest < ::Minitest::Test
+  def test_default_one
+    assert_equal(
+      21,
+      sum_of_multiples(7)
+    )
+  end
+
+  def test_default_two
+    assert_equal(
+      40,
+      sum_of_multiples(10)
+    )
+  end
+
+  def test_default_three
+    assert_equal(
+      30,
+      sum_of_multiples(9)
+    )
+  end
+end