Merge pull request #428 from fartem/1816_Truncate_Sentence

2023-12-13 v. 3.7.3: added "1816. Truncate Sentence"

README.md

@@ -319,3 +319,4 @@ Profile on LeetCode: [fartem](https://leetcode.com/fartem/).
 | 1800. Maximum Ascending Subarray Sum                               | [Link](https://leetcode.com/problems/maximum-ascending-subarray-sum/)                               | [Link](./lib/easy/1800_maximum_ascending_subarray_sum.rb)                               |
 | 1805. Number of Different Integers in a String                     | [Link](https://leetcode.com/problems/number-of-different-integers-in-a-string/)                     | [Link](./lib/easy/1805_number_of_different_integers_in_a_string.rb)                     |
 | 1812. Determine Color of a Chessboard Square                       | [Link](https://leetcode.com/problems/determine-color-of-a-chessboard-square/)                       | [Link](./lib/easy/1812_determine_color_of_a_chessboard_square.rb)                       |
+| 1816. Truncate Sentence                                            | [Link](https://leetcode.com/problems/truncate-sentence/)                                            | [Link](./lib/easy/1816_truncate_sentence.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 = '3.7.2'
+  s.version = '3.7.3'
   s.license = 'MIT'
   s.files = ::Dir['lib/**/*.rb'] + %w[bin/leetcode-ruby README.md LICENSE]
   s.executable = 'leetcode-ruby'

lib/easy/1816_truncate_sentence.rb

@@ -0,0 +1,23 @@
+# frozen_string_literal: true
+
+# https://leetcode.com/problems/truncate-sentence/
+# @param {String} s
+# @param {Integer} k
+# @return {String}
+def truncate_sentence(s, k)
+  index = 0
+  spaces = 0
+  (0...s.length).each do |i|
+    next unless s[i] == ' '
+
+    spaces += 1
+
+    next unless spaces == k
+
+    index = i
+
+    break
+  end
+
+  index.zero? ? s : s[0, index]
+end

test/easy/test_1816_truncate_sentence.rb

@@ -0,0 +1,13 @@
+# frozen_string_literal: true
+
+require_relative '../test_helper'
+require_relative '../../lib/easy/1816_truncate_sentence'
+require 'minitest/autorun'
+
+class TruncateSentenceTest < ::Minitest::Test
+  def test_default
+    assert_equal('Hello how are you', truncate_sentence('Hello how are you Contestant', 4))
+    assert_equal('What is the solution', truncate_sentence('What is the solution to this problem', 4))
+    assert_equal('chopper is not a tanuki', truncate_sentence('chopper is not a tanuki', 5))
+  end
+end