From bdd8582e860dd5b1bb263508f424aa09afa5d99b Mon Sep 17 00:00:00 2001 From: fartem Date: Mon, 24 Mar 2025 08:56:17 +0300 Subject: [PATCH] 2025-03-24 v. 9.0.7: added "2165. Smallest Value of the Rearranged Number" --- README.md | 1 + leetcode-ruby.gemspec | 2 +- ...smallest_value_of_the_rearranged_number.rb | 25 +++++++++++++++++++ ...smallest_value_of_the_rearranged_number.rb | 21 ++++++++++++++++ 4 files changed, 48 insertions(+), 1 deletion(-) create mode 100644 lib/medium/2165_smallest_value_of_the_rearranged_number.rb create mode 100644 test/medium/test_2165_smallest_value_of_the_rearranged_number.rb diff --git a/README.md b/README.md index 285b47e2..15829521 100644 --- a/README.md +++ b/README.md @@ -742,6 +742,7 @@ Profile on LeetCode: [fartem](https://leetcode.com/fartem/). | 2149. Rearrange Array Elements by Sign | [Link](https://leetcode.com/problems/rearrange-array-elements-by-sign/) | [Link](./lib/medium/2149_rearrange_array_elements_by_sign.rb) | [Link](./test/medium/test_2149_rearrange_array_elements_by_sign.rb) | | 2150. Find All Lonely Numbers in the Array | [Link](https://leetcode.com/problems/find-all-lonely-numbers-in-the-array/) | [Link](./lib/medium/2150_find_all_lonely_numbers_in_the_array.rb) | [Link](./test/medium/test_2150_find_all_lonely_numbers_in_the_array.rb) | | 2161. Partition Array According to Given Pivot | [Link](https://leetcode.com/problems/partition-array-according-to-given-pivot/) | [Link](./lib/medium/2161_partition_array_according_to_given_pivot.rb) | [Link](./test/medium/test_2161_partition_array_according_to_given_pivot.rb) | +| 2165. Smallest Value of the Rearranged Number | [Link](https://leetcode.com/problems/smallest-value-of-the-rearranged-number/) | [Link](./lib/medium/2165_smallest_value_of_the_rearranged_number.rb) | [Link](./test/medium/test_2165_smallest_value_of_the_rearranged_number.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 61677530..b1b3dd92 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 = '9.0.7' + s.version = '9.0.8' s.license = 'MIT' s.files = ::Dir['lib/**/*.rb'] + %w[README.md] s.executable = 'leetcode-ruby' diff --git a/lib/medium/2165_smallest_value_of_the_rearranged_number.rb b/lib/medium/2165_smallest_value_of_the_rearranged_number.rb new file mode 100644 index 00000000..7eaafeb6 --- /dev/null +++ b/lib/medium/2165_smallest_value_of_the_rearranged_number.rb @@ -0,0 +1,25 @@ +# frozen_string_literal: true + +# https://leetcode.com/problems/smallest-value-of-the-rearranged-number/ +# @param {Integer} num +# @return {Integer} +def smallest_number(num) + return 0 if num.zero? + + digits = num.to_s.chars + + if num >= 0 + sorted_digits = digits.sort + + if sorted_digits[0] == '0' + first_non_zero = sorted_digits.find { |d| d != '0' } + index = sorted_digits.index(first_non_zero) + sorted_digits[0], sorted_digits[index] = sorted_digits[index], sorted_digits[0] + end + + sorted_digits.join.to_i + else + sorted_digits = digits[1..].sort.reverse + "-#{sorted_digits.join}".to_i + end +end diff --git a/test/medium/test_2165_smallest_value_of_the_rearranged_number.rb b/test/medium/test_2165_smallest_value_of_the_rearranged_number.rb new file mode 100644 index 00000000..e6d374f2 --- /dev/null +++ b/test/medium/test_2165_smallest_value_of_the_rearranged_number.rb @@ -0,0 +1,21 @@ +# frozen_string_literal: true + +require_relative '../test_helper' +require_relative '../../lib/medium/2165_smallest_value_of_the_rearranged_number' +require 'minitest/autorun' + +class SmallestValueOfTheRearrangedNumberTest < ::Minitest::Test + def test_default_one + assert_equal( + 103, + smallest_number(310) + ) + end + + def test_default_two + assert_equal( + -7650, + smallest_number(-7605) + ) + end +end