2024-11-07 v. 6.9.8.1: updated some solutions

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 = '6.9.8'
+  s.version = '6.9.8.1'
   s.license = 'MIT'
   s.files = ::Dir['lib/**/*.rb'] + %w[README.md]
   s.executable = 'leetcode-ruby'

lib/easy/1417_reformat_the_string.rb

@@ -7,7 +7,7 @@ def reformat(s)
   letters = []
   digits = []
   s.each_char do |c|
-    if _1417_is_letter?(c)
+    if c =~ /[A-Za-z]/
       letters << c
     else
       digits << c
@@ -37,9 +37,3 @@ def reformat(s)
 
   ''
 end
-
-# @param {String} s
-# @return {Boolean}
-def _1417_is_letter?(s)
-  s =~ /[A-Za-z]/
-end

lib/easy/1796_second_largest_digit_in_a_string.rb

@@ -7,7 +7,7 @@ def second_highest(s)
   max = -1
   result = -1
   s.each_char do |c|
-    next unless _1796_is_digit?(c)
+    next unless c =~ /\d/
 
     num = c.to_i
     if num > max
@@ -20,11 +20,3 @@ def second_highest(s)
 
   result
 end
-
-# @param {String} s
-# @return {Boolean}
-def _1796_is_digit?(s)
-  code = s.ord
-
-  code >= 48 && code <= 57
-end

lib/easy/1805_number_of_different_integers_in_a_string.rb

@@ -9,15 +9,15 @@ def num_different_integers(word)
   while p < word.length
     c = word[p]
 
-    unless _1805_is_digit?(c)
+    unless c =~ /\d/
       p += 1
 
       next
     end
 
     leading_zero = c == '0'
     num = []
-    while _1805_is_digit?(c)
+    while c =~ /\d/
       if !leading_zero
         num << c
       elsif c != '0'
@@ -38,11 +38,3 @@ def num_different_integers(word)
 
   uniq.length
 end
-
-# @param {String} s
-# @return {Boolean}
-def _1805_is_digit?(s)
-  code = s.ord
-
-  code >= 48 && code <= 57
-end

lib/easy/2042_check_if_numbers_are_ascending_in_a_sentence.rb

@@ -6,7 +6,7 @@
 def are_numbers_ascending(s)
   prev = -1
   s.split.each do |word|
-    next unless _2043_is_digit?(word[0])
+    next unless word[0] =~ /\d/
 
     num = word.to_i
 
@@ -17,11 +17,3 @@ def are_numbers_ascending(s)
 
   true
 end
-
-# @param {String} s
-# @return {Boolean}
-def _2043_is_digit?(s)
-  code = s.ord
-
-  code >= 48 && code <= 57
-end

lib/easy/819_most_common_word.rb

@@ -11,7 +11,7 @@ def most_common_word(paragraph, banned)
   counter = 0
   words_with_count = {}
   paragraph.downcase.each_char do |c|
-    if _819_is_letter?(c)
+    if c =~ /[A-Za-z]/
       word << c
     else
       candidate = word.join.strip
@@ -30,9 +30,3 @@ def most_common_word(paragraph, banned)
 
   most_common_word || word.join
 end
-
-# @param {String} s
-# @return {Boolean}
-def _819_is_letter?(s)
-  s =~ /[A-Za-z]/
-end

lib/easy/917_reverse_only_letters.rb

@@ -9,14 +9,14 @@ def reverse_only_letters(s)
   r = chars.length - 1
   while l < r
     l_c = chars[l]
-    unless _917_is_letter?(l_c)
+    unless l_c =~ /[A-Za-z]/
       l += 1
 
       next
     end
 
     r_c = chars[r]
-    unless _917_is_letter?(r_c)
+    unless r_c =~ /[A-Za-z]/
       r -= 1
 
       next
@@ -31,9 +31,3 @@ def reverse_only_letters(s)
 
   chars.join
 end
-
-# @param {String} s
-# @return {Boolean}
-def _917_is_letter?(s)
-  s =~ /[A-Za-z]/
-end