diff --git a/README.md b/README.md index 85620d27..30ddf934 100644 --- a/README.md +++ b/README.md @@ -706,6 +706,7 @@ Profile on LeetCode: [fartem](https://leetcode.com/fartem/). | 1530. Number of Good Leaf Nodes Pairs | [Link](https://leetcode.com/problems/number-of-good-leaf-nodes-pairs/) | [Link](./lib/medium/1530_number_of_good_leaf_nodes_pairs.rb) | [Link](./test/medium/test_1530_number_of_good_leaf_nodes_pairs.rb) | | 1557. Minimum Number of Vertices to Reach All Nodes | [Link](https://leetcode.com/problems/minimum-number-of-vertices-to-reach-all-nodes/) | [Link](./lib/medium/1557_minimum_number_of_vertices_to_reach_all_nodes.rb) | [Link](./test/medium/test_1557_minimum_number_of_vertices_to_reach_all_nodes.rb) | | 1609. Even Odd Tree | [Link](https://leetcode.com/problems/even-odd-tree/) | [Link](./lib/medium/1609_even_odd_tree.rb) | [Link](./test/medium/test_1609_even_odd_tree.rb) | +| 1630. Arithmetic Subarrays | [Link](https://leetcode.com/problems/arithmetic-subarrays/) | [Link](./lib/medium/1630_arithmetic_subarrays.rb) | [Link](./test/medium/test_1630_arithmetic_subarrays.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) | diff --git a/leetcode-ruby.gemspec b/leetcode-ruby.gemspec index 0474f0e1..b3af6069 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 = '8.7.2' + s.version = '8.7.3' s.license = 'MIT' s.files = ::Dir['lib/**/*.rb'] + %w[README.md] s.executable = 'leetcode-ruby' diff --git a/lib/medium/1630_arithmetic_subarrays.rb b/lib/medium/1630_arithmetic_subarrays.rb new file mode 100644 index 00000000..08a2c125 --- /dev/null +++ b/lib/medium/1630_arithmetic_subarrays.rb @@ -0,0 +1,26 @@ +# frozen_string_literal: true + +# https://leetcode.com/problems/arithmetic-subarrays/ +# @param {Integer[]} nums +# @param {Integer[]} l +# @param {Integer[]} r +# @return {Boolean[]} +def check_arithmetic_subarrays(nums, l, r) + (0...l.size).map { |i| calculate_for_check_arithmetic_subarrays(nums, l[i], r[i]) } +end + +private + +# @param {Integer[]} nums +# @param {Integer} l +# @param {Integer} r +# @return {Boolean} +def calculate_for_check_arithmetic_subarrays(nums, l, r) + n = (l...(r + 1)).map { |i| nums[i] }.sort + + (0...(n.size - 1)).each do |i| + return false unless n[i + 1] - n[i] == n[1] - n[0] + end + + true +end diff --git a/test/medium/test_1630_arithmetic_subarrays.rb b/test/medium/test_1630_arithmetic_subarrays.rb new file mode 100644 index 00000000..a10c77b8 --- /dev/null +++ b/test/medium/test_1630_arithmetic_subarrays.rb @@ -0,0 +1,40 @@ +# frozen_string_literal: true + +require_relative '../test_helper' +require_relative '../../lib/medium/1630_arithmetic_subarrays' +require 'minitest/autorun' + +class ArithmeticSubarraysTest < ::Minitest::Test + def test_default_one + assert_equal( + [ + true, + false, + true + ], + check_arithmetic_subarrays( + [4, 6, 5, 9, 3, 7], + [0, 0, 2], + [2, 3, 5] + ) + ) + end + + def test_default_two + assert_equal( + [ + false, + true, + false, + false, + true, + true + ], + check_arithmetic_subarrays( + [-12, -9, -3, -12, -6, 15, 20, -25, -20, -15, -10], + [0, 1, 6, 4, 8, 7], + [4, 4, 9, 7, 9, 10] + ) + ) + end +end