diff --git a/README.md b/README.md index 391e3bd1..65ef8263 100644 --- a/README.md +++ b/README.md @@ -751,6 +751,7 @@ Profile on LeetCode: [fartem](https://leetcode.com/fartem/). | 2233. Maximum Product After K Increments | [Link](https://leetcode.com/problems/maximum-product-after-k-increments/) | [Link](./lib/medium/2233_maximum_product_after_k_increments.rb) | [Link](./test/medium/test_2233_maximum_product_after_k_increments.rb) | | 2265. Count Nodes Equal to Average of Subtree | [Link](https://leetcode.com/problems/count-nodes-equal-to-average-of-subtree/) | [Link](./lib/medium/2265_count_nodes_equal_to_average_of_subtree.rb) | [Link](./test/medium/test_2265_count_nodes_equal_to_average_of_subtree.rb) | | 2266. Count Number of Texts | [Link](https://leetcode.com/problems/count-number-of-texts/) | [Link](./lib/medium/2266_count_number_of_texts.rb) | [Link](./test/medium/test_2266_count_number_of_texts.rb) | +| 2295. Replace Elements in an Array | [Link](https://leetcode.com/problems/replace-elements-in-an-array/) | [Link](./lib/medium/2295_replace_elements_in_an_array.rb) | [Link](./test/medium/test_2295_replace_elements_in_an_array.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) | | 2657. Find the Prefix Common Array of Two Arrays | [Link](https://leetcode.com/problems/find-the-prefix-common-array-of-two-arrays/) | [Link](./lib/medium/2657_find_the_prefix_common_array_of_two_arrays.rb) | [Link](./test/medium/test_2657_find_the_prefix_common_array_of_two_arrays.rb) | diff --git a/leetcode-ruby.gemspec b/leetcode-ruby.gemspec index f43b3e26..da6e3499 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 = '9.1.6' + s.version = '9.1.7' s.license = 'MIT' s.files = ::Dir['lib/**/*.rb'] + %w[README.md] s.executable = 'leetcode-ruby' diff --git a/lib/medium/2295_replace_elements_in_an_array.rb b/lib/medium/2295_replace_elements_in_an_array.rb new file mode 100644 index 00000000..c5135b0f --- /dev/null +++ b/lib/medium/2295_replace_elements_in_an_array.rb @@ -0,0 +1,19 @@ +# frozen_string_literal: true + +# https://leetcode.com/problems/replace-elements-in-an-array/ +# @param {Integer[]} nums +# @param {Integer[][]} operations +# @return {Integer[]} +def array_change(nums, operations) + indices = {} + (0...nums.size).each { |i| indices[nums[i]] = i } + + operations.each do |operation| + index = indices[operation[0]] + nums[index] = operation[1] + indices.delete(operation[0]) + indices[operation[1]] = index + end + + nums +end diff --git a/test/medium/test_2295_replace_elements_in_an_array.rb b/test/medium/test_2295_replace_elements_in_an_array.rb new file mode 100644 index 00000000..b95c2cd7 --- /dev/null +++ b/test/medium/test_2295_replace_elements_in_an_array.rb @@ -0,0 +1,35 @@ +# frozen_string_literal: true + +require_relative '../test_helper' +require_relative '../../lib/medium/2295_replace_elements_in_an_array' +require 'minitest/autorun' + +class ReplaceElementsInAnArrayTest < ::Minitest::Test + def test_default_one + assert_equal( + [3, 2, 7, 1], + array_change( + [1, 2, 4, 6], + [ + [1, 3], + [4, 7], + [6, 1] + ] + ) + ) + end + + def test_default_two + assert_equal( + [2, 1], + array_change( + [1, 2], + [ + [1, 3], + [2, 1], + [3, 2] + ] + ) + ) + end +end