2025-03-14 v. 8.9.7: added "2091. Removing Minimum and Maximum From Array"

Author: fartem

README.md

@@ -730,6 +730,7 @@ Profile on LeetCode: [fartem](https://leetcode.com/fartem/).
 | 2058. Find the Minimum and Maximum Number of Nodes Between Critical Points          | [Link](https://leetcode.com/problems/find-the-minimum-and-maximum-number-of-nodes-between-critical-points/)          | [Link](./lib/medium/2058_find_the_minimum_and_maximum_number_of_nodes_between_critical_points.rb)          | [Link](./test/medium/test_2058_find_the_minimum_and_maximum_number_of_nodes_between_critical_points.rb)          |
 | 2063. Vowels of All Substrings                                                      | [Link](https://leetcode.com/problems/vowels-of-all-substrings/)                                                      | [Link](./lib/medium/2063_vowels_of_all_substrings.rb)                                                      | [Link](./test/medium/test_2063_vowels_of_all_substrings.rb)                                                      |
 | 2074. Reverse Nodes in Even Length Groups                                           | [Link](https://leetcode.com/problems/reverse-nodes-in-even-length-groups/)                                           | [Link](./lib/medium/2074_reverse_nodes_in_even_length_groups.rb)                                           | [Link](./test/medium/test_2074_reverse_nodes_in_even_length_groups.rb)                                           |
+| 2091. Removing Minimum and Maximum From Array                                       | [Link](https://leetcode.com/problems/removing-minimum-and-maximum-from-array/)                                       | [Link](./lib/medium/2091_removing_minimum_and_maximum_from_array.rb)                                       | [Link](./test/medium/test_2091_removing_minimum_and_maximum_from_array.rb)                                       |
 | 2116. Check if a Parentheses String Can Be Valid                                    | [Link](https://leetcode.com/problems/check-if-a-parentheses-string-can-be-valid/)                                    | [Link](./lib/medium/2116_check_if_a_parentheses_string_can_be_valid.rb)                                    | [Link](./test/medium/test_2116_check_if_a_parentheses_string_can_be_valid.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)                                                                  |

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 = '8.9.6'
+  s.version = '8.9.7'
   s.license = 'MIT'
   s.files = ::Dir['lib/**/*.rb'] + %w[README.md]
   s.executable = 'leetcode-ruby'

lib/medium/2091_removing_minimum_and_maximum_from_array.rb

@@ -0,0 +1,22 @@
+# frozen_string_literal: true
+
+# https://leetcode.com/problems/removing-minimum-and-maximum-from-array/
+# @param {Integer[]} nums
+# @return {Integer}
+def minimum_deletions(nums)
+  size = nums.size
+  min_index = 0
+  max_index = 0
+
+  (1...size).each do |i|
+    num = nums[i]
+    max_index = i if num > nums[max_index]
+    min_index = i if num < nums[min_index]
+  end
+
+  a = [min_index, max_index].max + 1
+  b = size - [min_index, max_index].min
+  c = min_index > max_index ? max_index + 1 + size - min_index : min_index + 1 + size - max_index
+
+  [a, b, c].min
+end

test/medium/test_2091_removing_minimum_and_maximum_from_array.rb

@@ -0,0 +1,34 @@
+# frozen_string_literal: true
+
+require_relative '../test_helper'
+require_relative '../../lib/medium/2091_removing_minimum_and_maximum_from_array'
+require 'minitest/autorun'
+
+class RemovingMinimumAndMaximumFromArrayTest < ::Minitest::Test
+  def test_default_one
+    assert_equal(
+      5,
+      minimum_deletions(
+        [2, 10, 7, 5, 4, 1, 8, 6]
+      )
+    )
+  end
+
+  def test_default_two
+    assert_equal(
+      3,
+      minimum_deletions(
+        [0, -4, 19, 1, 8, -2, -3, 5]
+      )
+    )
+  end
+
+  def test_default_three
+    assert_equal(
+      1,
+      minimum_deletions(
+        [101]
+      )
+    )
+  end
+end