2024-04-11 v. 5.4.4: added "2283. Check if Number Has Equal Digit Count and Digit Value"

README.md

@@ -404,3 +404,4 @@ Profile on LeetCode: [fartem](https://leetcode.com/fartem/).
 | 2259. Remove Digit From Number to Maximize Result                  | [Link](https://leetcode.com/problems/remove-digit-from-number-to-maximize-result/)                  | [Link](./lib/easy/2259_remove_digit_from_number_to_maximize_result.rb)                  |
 | 2264. Largest 3-Same-Digit Number in String                        | [Link](https://leetcode.com/problems/largest-3-same-digit-number-in-string/)                        | [Link](./lib/easy/2264_largest_3_same_digit_number_in_string.rb)                        |
 | 2278. Percentage of Letter in String                               | [Link](https://leetcode.com/problems/percentage-of-letter-in-string/)                               | [Link](./lib/easy/2278_percentage_of_letter_in_string.rb)                               |
+| 2283. Check if Number Has Equal Digit Count and Digit Value        | [Link](https://leetcode.com/problems/check-if-number-has-equal-digit-count-and-digit-value/)        | [Link](./lib/easy/2283_check_if_number_has_equal_digit_count_and_digit_value.rb)        |

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 = '5.4.3'
+  s.version = '5.4.4'
   s.license = 'MIT'
   s.files = ::Dir['lib/**/*.rb'] + %w[bin/leetcode-ruby README.md LICENSE]
   s.executable = 'leetcode-ruby'

lib/easy/2283_check_if_number_has_equal_digit_count_and_digit_value.rb

@@ -0,0 +1,12 @@
+# frozen_string_literal: true
+
+# https://leetcode.com/problems/check-if-number-has-equal-digit-count-and-digit-value/
+# @param {String} num
+# @return {Boolean}
+def digit_count(num)
+  count = ::Array.new(10, 0)
+  (0...num.length).each { |i| count[num[i].to_i] += 1 }
+  (0...num.length).each { |i| return false unless num[i].to_i == count[i] }
+
+  true
+end

test/easy/test_2283_check_if_number_has_equal_digit_count_and_digit_value.rb

@@ -0,0 +1,12 @@
+# frozen_string_literal: true
+
+require_relative '../test_helper'
+require_relative '../../lib/easy/2283_check_if_number_has_equal_digit_count_and_digit_value'
+require 'minitest/autorun'
+
+class CheckIfNumberHasEqualDigitCountAndDigitValueTest < ::Minitest::Test
+  def test_default
+    assert(digit_count('1210'))
+    assert(!digit_count('030'))
+  end
+end