2024-11-28 v. 7.1.3: added "453. Minimum Moves to Equal Array Elements"

README.md

@@ -578,3 +578,4 @@ Profile on LeetCode: [fartem](https://leetcode.com/fartem/).
 | 449. Serialize and Deserialize BST                              | [Link](https://leetcode.com/problems/serialize-and-deserialize-bst/)                              | [Link](./lib/medium/449_serialize_and_deserialize_bst.rb)                              | [Link](./test/medium/test_449_serialize_and_deserialize_bst.rb)                              |
 | 450. Delete Node in a BST                                       | [Link](https://leetcode.com/problems/delete-node-in-a-bst/)                                       | [Link](./lib/medium/450_delete_node_in_a_bst.rb)                                       | [Link](./test/medium/test_450_delete_node_in_a_bst.rb)                                       |
 | 451. Sort Characters By Frequency                               | [Link](https://leetcode.com/problems/sort-characters-by-frequency/)                               | [Link](./lib/medium/451_sort_characters_by_frequency.rb)                               | [Link](./test/medium/test_451_sort_characters_by_frequency.rb)                               |
+| 453. Minimum Moves to Equal Array Elements                      | [Link](https://leetcode.com/problems/minimum-moves-to-equal-array-elements/)                      | [Link](./lib/medium/453_minimum_moves_to_equal_array_elements.rb)                      | [Link](./test/medium/test_453_minimum_moves_to_equal_array_elements.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 = '7.1.2'
+  s.version = '7.1.3'
   s.license = 'MIT'
   s.files = ::Dir['lib/**/*.rb'] + %w[README.md]
   s.executable = 'leetcode-ruby'

lib/medium/453_minimum_moves_to_equal_array_elements.rb

@@ -0,0 +1,15 @@
+# frozen_string_literal: true
+
+# https://leetcode.com/problems/minimum-moves-to-equal-array-elements/
+# @param {Integer[]} nums
+# @return {Integer}
+def min_moves(nums)
+  min = ::Float::INFINITY
+  sum = 0
+  nums.each do |num|
+    min = num if num < min
+    sum += num
+  end
+
+  sum - nums.size * min
+end

test/medium/test_453_minimum_moves_to_equal_array_elements.rb

@@ -0,0 +1,11 @@
+# frozen_string_literal: true
+
+require_relative '../test_helper'
+require_relative '../../lib/medium/453_minimum_moves_to_equal_array_elements'
+require 'minitest/autorun'
+
+class MinimumMovesToEqualArrayElementsTest < ::Minitest::Test
+  def test_default_one = assert_equal(3, min_moves([1, 2, 3]))
+
+  def test_default_two = assert_equal(0, min_moves([1, 1, 1]))
+end