Merge pull request #642 from fartem/2511_Maximum_Enemy_Forts_That_Can_Be_Captured

2024-06-10 v. 5.8.5: added "2511. Maximum Enemy Forts That Can Be Captured"

Author: fartem

README.md

@@ -445,3 +445,4 @@ Profile on LeetCode: [fartem](https://leetcode.com/fartem/).
 | 2496. Maximum Value of a String in an Array                        | [Link](https://leetcode.com/problems/maximum-value-of-a-string-in-an-array/)                        | [Link](./lib/easy/2496_maximum_value_of_a_string_in_an_array.rb)                        |
 | 2500. Delete Greatest Value in Each Row                            | [Link](https://leetcode.com/problems/delete-greatest-value-in-each-row/)                            | [Link](./lib/easy/2500_delete_greatest_value_in_each_row.rb)                            |
 | 2506. Count Pairs Of Similar Strings                               | [Link](https://leetcode.com/problems/count-pairs-of-similar-strings/)                               | [Link](./lib/easy/2506_count_pairs_of_similar_strings.rb)                               |
+| 2511. Maximum Enemy Forts That Can Be Captured                     | [Link](https://leetcode.com/problems/maximum-enemy-forts-that-can-be-captured/)                     | [Link](./lib/easy/2511_maximum_enemy_forts_that_can_be_captured.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 = '5.8.4'
+  s.version = '5.8.5'
   s.license = 'MIT'
   s.files = ::Dir['lib/**/*.rb'] + %w[bin/leetcode-ruby README.md LICENSE]
   s.executable = 'leetcode-ruby'

lib/easy/2511_maximum_enemy_forts_that_can_be_captured.rb

@@ -0,0 +1,21 @@
+# frozen_string_literal: true
+
+# https://leetcode.com/problems/maximum-enemy-forts-that-can-be-captured/
+# @param {Integer[]} forts
+# @return {Integer}
+def capture_forts(forts)
+  result = 0
+  i = 0
+  j = 0
+  while i < forts.length
+    unless forts[i].zero?
+      result = [result, i - j - 1].max if forts[j] == -forts[i]
+
+      j = i
+    end
+
+    i += 1
+  end
+
+  result
+end

test/easy/test_2511_maximum_enemy_forts_that_can_be_captured.rb

@@ -0,0 +1,12 @@
+# frozen_string_literal: true
+
+require_relative '../test_helper'
+require_relative '../../lib/easy/2511_maximum_enemy_forts_that_can_be_captured'
+require 'minitest/autorun'
+
+class MaximumEnemyFortsThatCanBeCapturedTest < ::Minitest::Test
+  def test_default
+    assert_equal(4, capture_forts([1, 0, 0, -1, 0, 0, 0, 0, 1]))
+    assert_equal(0, capture_forts([0, 0, 1, -1]))
+  end
+end