2024-02-05 v. 4.3.8: updated "771. Jewels and Stones"

Author: fartem

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 = '4.3.7'
+  s.version = '4.3.8'
   s.license = 'MIT'
   s.files = ::Dir['lib/**/*.rb'] + %w[bin/leetcode-ruby README.md LICENSE]
   s.executable = 'leetcode-ruby'

lib/easy/771_jewels_and_stones.rb

@@ -5,10 +5,5 @@
 # @param {String} stones
 # @return {Integer}
 def num_jewels_in_stones(jewels, stones)
-  result = 0
-  (0...stones.length).each do |i|
-    result += 1 if jewels.include?(stones[i])
-  end
-
-  result
+  stones.chars.sum { |c| jewels.include?(c) ? 1 : 0 }
 end