2023-08-30 v. 2.5.9: added "1078. Occurrences After Bigram"

Author: fartem

README.md

@@ -205,3 +205,4 @@ Profile on LeetCode: [fartem](https://leetcode.com/fartem/).
 | 1047. Remove All Adjacent Duplicates In String         | [Link](https://leetcode.com/problems/remove-all-adjacent-duplicates-in-string/)           | [Link](./lib/easy/1047_remove_all_adjacent_duplicates_in_string.rb)         |
 | 1051. Height Checker                                   | [Link](https://leetcode.com/problems/height-checker/)                                     | [Link](./lib/easy/1051_height_checker.rb)                                   |
 | 1071. Greatest Common Divisor of Strings               | [Link](https://leetcode.com/problems/greatest-common-divisor-of-strings/)                 | [Link](./lib/easy/1071_greatest_common_divisor_of_strings.rb)               |
+| 1078. Occurrences After Bigram                         | [Link](https://leetcode.com/problems/occurrences-after-bigram/)                           | [Link](./lib/easy/1078_occurrences_after_bigram.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 = '2.5.8'
+  s.version = '2.5.9'
   s.license = 'MIT'
   s.files = ::Dir['lib/**/*.rb'] + %w[bin/leetcode-ruby README.md LICENSE]
   s.executable = 'leetcode-ruby'

lib/easy/1078_occurrences_after_bigram.rb

@@ -0,0 +1,16 @@
+# frozen_string_literal: true
+
+# https://leetcode.com/problems/occurrences-after-bigram/
+# @param {String} text
+# @param {String} first
+# @param {String} second
+# @return {String[]}
+def find_occurrences(text, first, second)
+  result = []
+  words = text.split
+  (0...words.length - 2).each do |i|
+    result << words[i + 2] if words[i] == first && words[i + 1] == second
+  end
+
+  result
+end

test/easy/test_1078_occurrences_after_bigram.rb

@@ -0,0 +1,26 @@
+# frozen_string_literal: true
+
+require_relative '../test_helper'
+require_relative '../../lib/easy/1078_occurrences_after_bigram'
+require 'minitest/autorun'
+
+class OccurrencesAfterBigramTest < ::Minitest::Test
+  def test_default
+    assert_equal(
+      %w[girl student],
+      find_occurrences(
+        'alice is a good girl she is a good student',
+        'a',
+        'good'
+      )
+    )
+    assert_equal(
+      %w[we rock],
+      find_occurrences(
+        'we will we will rock you',
+        'we',
+        'will'
+      )
+    )
+  end
+end