2024-06-27 v. 5.9.8: added "8. String to Integer (atoi)"

Author: fartem

README.md

@@ -463,3 +463,4 @@ Profile on LeetCode: [fartem](https://leetcode.com/fartem/).
 | 3. Longest Substring Without Repeating Characters | [Link](https://leetcode.com/problems/longest-substring-without-repeating-characters/) | [Link](./lib/medium/3_longest_substring_without_repeating_characters.rb) |
 | 5. Longest Palindromic Substring                  | [Link](https://leetcode.com/problems/longest-palindromic-substring/)                  | [Link](./lib/medium/5_longest_palindromic_substring.rb)                  |
 | 7. Reverse Integer                                | [Link](https://leetcode.com/problems/reverse-integer/)                                | [Link](./lib/medium/7_reverse_integer.rb)                                |
+| 8. String to Integer (atoi)                       | [Link](https://leetcode.com/problems/string-to-integer-atoi/)                         | [Link](./lib/medium/8_string_to_integer_atoi.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 = '5.9.7'
+  s.version = '5.9.8'
   s.license = 'MIT'
   s.files = ::Dir['lib/**/*.rb'] + %w[bin/leetcode-ruby README.md LICENSE]
   s.executable = 'leetcode-ruby'

lib/medium/8_string_to_integer_atoi.rb

@@ -0,0 +1,8 @@
+# frozen_string_literal: true
+
+# https://leetcode.com/problems/string-to-integer-atoi/
+# @param {String} s
+# @return {Integer}
+def my_atoi(s)
+  [[-2_147_483_648, s.to_i].max, 2_147_483_647].min
+end

test/medium/test_8_string_to_integer_atoi.rb

@@ -0,0 +1,13 @@
+# frozen_string_literal: true
+
+require_relative '../test_helper'
+require_relative '../../lib/medium/8_string_to_integer_atoi'
+require 'minitest/autorun'
+
+class StringToIntegerAtoiTest < ::Minitest::Test
+  def test_default
+    assert_equal(42, my_atoi('42'))
+    assert_equal(-42, my_atoi('-042'))
+    assert_equal(1337, my_atoi('1337c0d3'))
+  end
+end