2025-03-04 v. 9.1.9: added "2375. Construct Smallest Number From DI

String"

Author: fartem

.rubocop.yml

@@ -22,6 +22,8 @@ Style/DisableCopsWithinSourceCodeDirective:
   Enabled: false
 Style/IpAddresses:
   Enabled: false
+Style/NestedModifier:
+  Enabled: false
 
 Bundler/GemComment:
   Enabled: false

Gemfile

@@ -8,3 +8,4 @@ gem 'prime', '0.1.2'
 gem 'rake', '12.3.3'
 gem 'rubocop', '1.7.0'
 gem 'simplecov', '0.22.0'
+gem 'solargraph', '0.44.0'

README.md

@@ -753,6 +753,7 @@ Profile on LeetCode: [fartem](https://leetcode.com/fartem/).
 | 2266. Count Number of Texts                                                         | [Link](https://leetcode.com/problems/count-number-of-texts/)                                                         | [Link](./lib/medium/2266_count_number_of_texts.rb)                                                         | [Link](./test/medium/test_2266_count_number_of_texts.rb)                                                         |
 | 2295. Replace Elements in an Array                                                  | [Link](https://leetcode.com/problems/replace-elements-in-an-array/)                                                  | [Link](./lib/medium/2295_replace_elements_in_an_array.rb)                                                  | [Link](./test/medium/test_2295_replace_elements_in_an_array.rb)                                                  |
 | 2326. Spiral Matrix IV                                                              | [Link](https://leetcode.com/problems/spiral-matrix-iv/)                                                              | [Link](./lib/medium/2326_spiral_matrix_iv.rb)                                                              | [Link](./test/medium/test_2326_spiral_matrix_iv.rb)                                                              |
+| 2375. Construct Smallest Number From DI String                                      | [Link](https://leetcode.com/problems/construct-smallest-number-from-di-string/)                                      | [Link](./lib/medium/2375_construct_smallest_number_from_di_string.rb)                                      | [Link](./test/medium/test_2375_construct_smallest_number_from_di_string.rb)                                      |
 | 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)                                    |

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 = '9.1.8'
+  s.version = '9.1.9'
   s.license = 'MIT'
   s.files = ::Dir['lib/**/*.rb'] + %w[README.md]
   s.executable = 'leetcode-ruby'

lib/medium/2375_construct_smallest_number_from_di_string.rb

@@ -0,0 +1,17 @@
+# frozen_string_literal: true
+
+# https://leetcode.com/problems/construct-smallest-number-from-di-string/
+# @param {String} pattern
+# @return {String}
+def smallest_number2375(pattern)
+  stack = [1]
+  result = ''
+
+  (0..pattern.size).each do |i|
+    result += stack.pop.to_s until stack.empty? if i == pattern.size || pattern[i] == 'I'
+
+    stack.push(i + 2)
+  end
+
+  result
+end

test/medium/test_2375_construct_smallest_number_from_di_string.rb

@@ -0,0 +1,25 @@
+# frozen_string_literal: true
+
+require_relative '../test_helper'
+require_relative '../../lib/medium/2375_construct_smallest_number_from_di_string'
+require 'minitest/autorun'
+
+class ConstructSmallestNumberFromDIStringTest < ::Minitest::Test
+  def test_default_one
+    assert_equal(
+      '123549876',
+      smallest_number2375(
+        'IIIDIDDD'
+      )
+    )
+  end
+
+  def test_default_two
+    assert_equal(
+      '4321',
+      smallest_number2375(
+        'DDD'
+      )
+    )
+  end
+end