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Commit 7bfac76

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2025年04月22日 v. 9.3.1: added "2951. Find the Peaks"
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‎README.md‎

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@@ -454,6 +454,7 @@ Profile on LeetCode: [fartem](https://leetcode.com/fartem/).
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| 2544. Alternating Digit Sum | [Link](https://leetcode.com/problems/alternating-digit-sum/) | [Link](./lib/easy/2544_alternating_digit_sum.rb) | [Link](./test/easy/test_2544_alternating_digit_sum.rb) |
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| 2549. Count Distinct Numbers on Board | [Link](https://leetcode.com/problems/count-distinct-numbers-on-board/) | [Link](./lib/easy/2549_count_distinct_numbers_on_board.rb) | [Link](./test/easy/test_2549_count_distinct_numbers_on_board.rb) |
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| 2652. Sum Multiples | [Link](https://leetcode.com/problems/sum-multiples/) | [Link](./lib/easy/2652_sum_multiples.rb) | [Link](./test/easy/test_2652_sum_multiples.rb) |
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| 2951. Find the Peaks | [Link](https://leetcode.com/problems/find-the-peaks/) | [Link](./lib/easy/2951_find_the_peaks.rb) | [Link](./test/easy/test_2951_find_the_peaks.rb) |
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| 2974. Minimum Number Game | [Link](https://leetcode.com/problems/minimum-number-game/) | [Link](./lib/easy/2974_minimum_number_game.rb) | [Link](./test/easy/test_2974_minimum_number_game.rb) |
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| 3083. Existence of a Substring in a String and Its Reverse | [Link](https://leetcode.com/problems/existence-of-a-substring-in-a-string-and-its-reverse/) | [Link](./lib/easy/3083_existence_of_a_substring_in_a_string_and_its_reverse.rb) | [Link](./test/easy/test_3083_existence_of_a_substring_in_a_string_and_its_reverse.rb) |
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| 3090. Maximum Length Substring With Two Occurrences | [Link](https://leetcode.com/problems/maximum-length-substring-with-two-occurrences/) | [Link](./lib/easy/3090_maximum_length_substring_with_two_occurrences.rb) | [Link](./test/easy/test_3090_maximum_length_substring_with_two_occurrences.rb) |

‎leetcode-ruby.gemspec‎

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@@ -5,7 +5,7 @@ require 'English'
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::Gem::Specification.new do |s|
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s.required_ruby_version = '>= 3.0'
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s.name = 'leetcode-ruby'
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s.version = '9.3.0'
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s.version = '9.3.1'
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s.license = 'MIT'
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s.files = ::Dir['lib/**/*.rb'] + %w[README.md]
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s.executable = 'leetcode-ruby'

‎lib/easy/2951_find_the_peaks.rb‎

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# frozen_string_literal: true
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# https://leetcode.com/problems/find-the-peaks/
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# @param {Integer[]} mountain
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# @return {Integer[]}
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def find_peaks(mountain)
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result = []
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(1...mountain.size - 1).each do |i|
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result << i if mountain[i] > mountain[i - 1] && mountain[i] > mountain[i + 1]
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end
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result
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end
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# frozen_string_literal: true
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require_relative '../test_helper'
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require_relative '../../lib/easy/2951_find_the_peaks'
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require 'minitest/autorun'
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class FindThePeaksTest < ::Minitest::Test
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def test_default_one
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assert_equal(
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[],
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find_peaks(
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[2, 4, 4]
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)
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)
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end
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def test_default_two
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assert_equal(
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[1, 3],
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find_peaks(
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[1, 4, 3, 8, 5]
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)
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)
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end
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end

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