2025-04-02 v. 9.1.7: added "2295. Replace Elements in an Array"

Author: fartem

README.md

@@ -751,6 +751,7 @@ Profile on LeetCode: [fartem](https://leetcode.com/fartem/).
 | 2233. Maximum Product After K Increments                                            | [Link](https://leetcode.com/problems/maximum-product-after-k-increments/)                                            | [Link](./lib/medium/2233_maximum_product_after_k_increments.rb)                                            | [Link](./test/medium/test_2233_maximum_product_after_k_increments.rb)                                            |
 | 2265. Count Nodes Equal to Average of Subtree                                       | [Link](https://leetcode.com/problems/count-nodes-equal-to-average-of-subtree/)                                       | [Link](./lib/medium/2265_count_nodes_equal_to_average_of_subtree.rb)                                       | [Link](./test/medium/test_2265_count_nodes_equal_to_average_of_subtree.rb)                                       |
 | 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)                                                  |
 | 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 = '9.1.6'
+  s.version = '9.1.7'
   s.license = 'MIT'
   s.files = ::Dir['lib/**/*.rb'] + %w[README.md]
   s.executable = 'leetcode-ruby'

lib/medium/2295_replace_elements_in_an_array.rb

@@ -0,0 +1,19 @@
+# frozen_string_literal: true
+
+# https://leetcode.com/problems/replace-elements-in-an-array/
+# @param {Integer[]} nums
+# @param {Integer[][]} operations
+# @return {Integer[]}
+def array_change(nums, operations)
+  indices = {}
+  (0...nums.size).each { |i| indices[nums[i]] = i }
+
+  operations.each do |operation|
+    index = indices[operation[0]]
+    nums[index] = operation[1]
+    indices.delete(operation[0])
+    indices[operation[1]] = index
+  end
+
+  nums
+end

test/medium/test_2295_replace_elements_in_an_array.rb

@@ -0,0 +1,35 @@
+# frozen_string_literal: true
+
+require_relative '../test_helper'
+require_relative '../../lib/medium/2295_replace_elements_in_an_array'
+require 'minitest/autorun'
+
+class ReplaceElementsInAnArrayTest < ::Minitest::Test
+  def test_default_one
+    assert_equal(
+      [3, 2, 7, 1],
+      array_change(
+        [1, 2, 4, 6],
+        [
+          [1, 3],
+          [4, 7],
+          [6, 1]
+        ]
+      )
+    )
+  end
+
+  def test_default_two
+    assert_equal(
+      [2, 1],
+      array_change(
+        [1, 2],
+        [
+          [1, 3],
+          [2, 1],
+          [3, 2]
+        ]
+      )
+    )
+  end
+end