From 6031c0fb13849924bbfd844b49eda7b290fe3a3f Mon Sep 17 00:00:00 2001
From: fartem <jaman.smlnsk@gmail.com>
Date: Wed, 1 May 2024 09:20:57 +0300
Subject: [PATCH] 2024-05-01 v. 5.5.8: added "2357. Make Array Zero by
 Subtracting Equal Amounts"

---
 README.md                                            |  1 +
 leetcode-ruby.gemspec                                |  2 +-
 ...7_make_array_zero_by_subtracting_equal_amounts.rb | 10 ++++++++++
 ...7_make_array_zero_by_subtracting_equal_amounts.rb | 12 ++++++++++++
 4 files changed, 24 insertions(+), 1 deletion(-)
 create mode 100644 lib/easy/2357_make_array_zero_by_subtracting_equal_amounts.rb
 create mode 100644 test/easy/test_2357_make_array_zero_by_subtracting_equal_amounts.rb

diff --git a/README.md b/README.md
index 23efb298..d81b99c6 100644
--- a/README.md
+++ b/README.md
@@ -418,3 +418,4 @@ Profile on LeetCode: [fartem](https://leetcode.com/fartem/).
 | 2341. Maximum Number of Pairs in Array                             | [Link](https://leetcode.com/problems/maximum-number-of-pairs-in-array/)                             | [Link](./lib/easy/2341_maximum_number_of_pairs_in_array.rb)                             |
 | 2347. Best Poker Hand                                              | [Link](https://leetcode.com/problems/best-poker-hand/)                                              | [Link](./lib/easy/2347_best_poker_hand.rb)                                              |
 | 2351. First Letter to Appear Twice                                 | [Link](https://leetcode.com/problems/first-letter-to-appear-twice/)                                 | [Link](./lib/easy/2351_first_letter_to_appear_twice.rb)                                 |
+| 2357. Make Array Zero by Subtracting Equal Amounts                 | [Link](https://leetcode.com/problems/make-array-zero-by-subtracting-equal-amounts/)                 | [Link](./lib/easy/2357_make_array_zero_by_subtracting_equal_amounts.rb)                 |
diff --git a/leetcode-ruby.gemspec b/leetcode-ruby.gemspec
index ff8d7c70..9b636d77 100644
--- a/leetcode-ruby.gemspec
+++ b/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 = '5.5.7'
+  s.version = '5.5.8'
   s.license = 'MIT'
   s.files = ::Dir['lib/**/*.rb'] + %w[bin/leetcode-ruby README.md LICENSE]
   s.executable = 'leetcode-ruby'
diff --git a/lib/easy/2357_make_array_zero_by_subtracting_equal_amounts.rb b/lib/easy/2357_make_array_zero_by_subtracting_equal_amounts.rb
new file mode 100644
index 00000000..fa968f86
--- /dev/null
+++ b/lib/easy/2357_make_array_zero_by_subtracting_equal_amounts.rb
@@ -0,0 +1,10 @@
+# frozen_string_literal: true
+
+require 'set'
+
+# https://leetcode.com/problems/make-array-zero-by-subtracting-equal-amounts/
+# @param {Integer[]} nums
+# @return {Integer}
+def minimum_operations(nums)
+  nums.select(&:positive?).to_set.length
+end
diff --git a/test/easy/test_2357_make_array_zero_by_subtracting_equal_amounts.rb b/test/easy/test_2357_make_array_zero_by_subtracting_equal_amounts.rb
new file mode 100644
index 00000000..740b0215
--- /dev/null
+++ b/test/easy/test_2357_make_array_zero_by_subtracting_equal_amounts.rb
@@ -0,0 +1,12 @@
+# frozen_string_literal: true
+
+require_relative '../test_helper'
+require_relative '../../lib/easy/2357_make_array_zero_by_subtracting_equal_amounts'
+require 'minitest/autorun'
+
+class MakeArrayZeroBySubtractingEqualAmountsTest < ::Minitest::Test
+  def test_default
+    assert_equal(3, minimum_operations([1, 5, 0, 3, 5]))
+    assert_equal(0, minimum_operations([0]))
+  end
+end