From 9d6104c8b31cc8a5384c9381aa01e248c80bf1b6 Mon Sep 17 00:00:00 2001
From: fartem <jaman.smlnsk@gmail.com>
Date: Tue, 17 Dec 2024 10:43:39 +0300
Subject: [PATCH] 2024-12-17 v. 7.3.7: added "648. Replace Words"

---
 README.md                             |  1 +
 leetcode-ruby.gemspec                 |  2 +-
 lib/medium/648_replace_words.rb       | 27 +++++++++++++++++++++++++++
 test/medium/test_648_replace_words.rb | 27 +++++++++++++++++++++++++++
 4 files changed, 56 insertions(+), 1 deletion(-)
 create mode 100644 lib/medium/648_replace_words.rb
 create mode 100644 test/medium/test_648_replace_words.rb

diff --git a/README.md b/README.md
index e1c6419a..7636d710 100644
--- a/README.md
+++ b/README.md
@@ -601,3 +601,4 @@ Profile on LeetCode: [fartem](https://leetcode.com/fartem/).
 | 623. Add One Row to Tree                                        | [Link](https://leetcode.com/problems/add-one-row-to-tree/)                                        | [Link](./lib/medium/623_add_one_row_to_tree.rb)                                        | [Link](./test/medium/test_623_add_one_row_to_tree.rb)                                        |
 | 641. Design Circular Deque                                      | [Link](https://leetcode.com/problems/design-circular-deque/)                                      | [Link](./lib/medium/641_design_circular_deque.rb)                                      | [Link](./test/medium/test_641_design_circular_deque.rb)                                      |
 | 647. Palindromic Substrings                                     | [Link](https://leetcode.com/problems/palindromic-substrings/)                                     | [Link](./lib/medium/647_palindromic_substrings.rb)                                     | [Link](./test/medium/test_647_palindromic_substrings.rb)                                     |
+| 648. Replace Words                                              | [Link](https://leetcode.com/problems/replace-words/)                                              | [Link](./lib/medium/648_replace_words.rb)                                              | [Link](./test/medium/test_648_replace_words.rb)                                              |
diff --git a/leetcode-ruby.gemspec b/leetcode-ruby.gemspec
index 1b64c0a3..2683ff71 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 = '7.3.6'
+  s.version = '7.3.7'
   s.license = 'MIT'
   s.files = ::Dir['lib/**/*.rb'] + %w[README.md]
   s.executable = 'leetcode-ruby'
diff --git a/lib/medium/648_replace_words.rb b/lib/medium/648_replace_words.rb
new file mode 100644
index 00000000..a22391e8
--- /dev/null
+++ b/lib/medium/648_replace_words.rb
@@ -0,0 +1,27 @@
+# frozen_string_literal: true
+
+# https://leetcode.com/problems/replace-words/
+# @param {String[]} dictionary
+# @param {String} sentence
+# @return {String}
+def replace_words(dictionary, sentence)
+  roots = ::Set.new(dictionary)
+  words = sentence.split
+  result = []
+  words.each do |word|
+    insert_word = word
+    (1...word.size).each do |i|
+      sub = word[0, i]
+
+      next unless roots.include?(sub)
+
+      insert_word = sub
+
+      break
+    end
+
+    result << insert_word
+  end
+
+  result.join(' ')
+end
diff --git a/test/medium/test_648_replace_words.rb b/test/medium/test_648_replace_words.rb
new file mode 100644
index 00000000..8fe155b4
--- /dev/null
+++ b/test/medium/test_648_replace_words.rb
@@ -0,0 +1,27 @@
+# frozen_string_literal: true
+
+require_relative '../test_helper'
+require_relative '../../lib/medium/648_replace_words'
+require 'minitest/autorun'
+
+class ReplaceWordsTest < ::Minitest::Test
+  def test_default_one
+    assert_equal(
+      'the cat was rat by the bat',
+      replace_words(
+        %w[cat bat rat],
+        'the cattle was rattled by the battery'
+      )
+    )
+  end
+
+  def test_default_two
+    assert_equal(
+      'a a b c',
+      replace_words(
+        %w[a b c],
+        'aadsfasf absbs bbab cadsfafs'
+      )
+    )
+  end
+end