From ee1a786566495554645ffa80e0661b1eaa9748c0 Mon Sep 17 00:00:00 2001
From: fartem <jaman.smlnsk@gmail.com>
Date: Tue, 28 Jan 2025 12:24:05 +0300
Subject: [PATCH] 2025-01-28 v. 8.3.1: added "1111. Maximum Nesting Depth of
 Two Valid Parentheses Strings"

---
 README.md                                     |  1 +
 leetcode-ruby.gemspec                         |  2 +-
 ..._depth_of_two_valid_parentheses_strings.rb | 14 +++++++++++
 ..._depth_of_two_valid_parentheses_strings.rb | 25 +++++++++++++++++++
 4 files changed, 41 insertions(+), 1 deletion(-)
 create mode 100644 lib/medium/1111_maximum_nesting_depth_of_two_valid_parentheses_strings.rb
 create mode 100644 test/medium/test_1111_maximum_nesting_depth_of_two_valid_parentheses_strings.rb

diff --git a/README.md b/README.md
index e8ee9b43..80e1d028 100644
--- a/README.md
+++ b/README.md
@@ -663,6 +663,7 @@ Profile on LeetCode: [fartem](https://leetcode.com/fartem/).
 | 1079. Letter Tile Possibilities                                  | [Link](https://leetcode.com/problems/letter-tile-possibilities/)                                   | [Link](./lib/medium/1079_letter_tile_possibilities.rb)                                  | [Link](./test/medium/test_1079_letter_tile_possibilities.rb)                                  |
 | 1081. Smallest Subsequence of Distinct Characters                | [Link](https://leetcode.com/problems/smallest-subsequence-of-distinct-characters/)                 | [Link](./lib/medium/1081_smallest_subsequence_of_distinct_characters.rb)                | [Link](./test/medium/test_1081_smallest_subsequence_of_distinct_characters.rb)                |
 | 1110. Delete Nodes And Return Forest                             | [Link](https://leetcode.com/problems/delete-nodes-and-return-forest/)                              | [Link](./lib/medium/1110_delete_nodes_and_return_forest.rb)                             | [Link](./test/medium/test_1110_delete_nodes_and_return_forest.rb)                             |
+| 1111. Maximum Nesting Depth of Two Valid Parentheses Strings     | [Link](https://leetcode.com/problems/maximum-nesting-depth-of-two-valid-parentheses-strings/)      | [Link](./lib/medium/1111_maximum_nesting_depth_of_two_valid_parentheses_strings.rb)     | [Link](./test/medium/test_1111_maximum_nesting_depth_of_two_valid_parentheses_strings.rb)     |
 | 1400. Construct K Palindrome Strings                             | [Link](https://leetcode.com/problems/construct-k-palindrome-strings/)                              | [Link](./lib/medium/1400_construct_k_palindrome_strings.rb)                             | [Link](./test/medium/test_1400_construct_k_palindrome_strings.rb)                             |
 | 2116. Check if a Parentheses String Can Be Valid                 | [Link](https://leetcode.com/problems/check-if-a-parentheses-string-can-be-valid/)                  | [Link](./lib/medium/2116_check_if_a_parentheses_string_can_be_valid.rb)                 | [Link](./test/medium/test_2116_check_if_a_parentheses_string_can_be_valid.rb)                 |
 | 2425. Bitwise XOR of All Pairings                                | [Link](https://leetcode.com/problems/bitwise-xor-of-all-pairings/)                                 | [Link](./lib/medium/2425_bitwise_xor_of_all_pairings.rb)                                | [Link](./test/medium/test_2425_bitwise_xor_of_all_pairings.rb)                                |
diff --git a/leetcode-ruby.gemspec b/leetcode-ruby.gemspec
index 4b989725..ebc3cba1 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 = '8.3.0'
+  s.version = '8.3.1'
   s.license = 'MIT'
   s.files = ::Dir['lib/**/*.rb'] + %w[README.md]
   s.executable = 'leetcode-ruby'
diff --git a/lib/medium/1111_maximum_nesting_depth_of_two_valid_parentheses_strings.rb b/lib/medium/1111_maximum_nesting_depth_of_two_valid_parentheses_strings.rb
new file mode 100644
index 00000000..ffbff48d
--- /dev/null
+++ b/lib/medium/1111_maximum_nesting_depth_of_two_valid_parentheses_strings.rb
@@ -0,0 +1,14 @@
+# frozen_string_literal: true
+
+# https://leetcode.com/problems/maximum-nesting-depth-of-two-valid-parentheses-strings/
+# @param {String} seq
+# @return {Integer[]}
+def max_depth_after_split(seq)
+  result = ::Array.new(seq.size)
+
+  seq.each_char.with_index do |char, i|
+    result[i] = char == '(' ? i & 1 : 1 - (i & 1)
+  end
+
+  result
+end
diff --git a/test/medium/test_1111_maximum_nesting_depth_of_two_valid_parentheses_strings.rb b/test/medium/test_1111_maximum_nesting_depth_of_two_valid_parentheses_strings.rb
new file mode 100644
index 00000000..dfe373ef
--- /dev/null
+++ b/test/medium/test_1111_maximum_nesting_depth_of_two_valid_parentheses_strings.rb
@@ -0,0 +1,25 @@
+# frozen_string_literal: true
+
+require_relative '../test_helper'
+require_relative '../../lib/medium/1111_maximum_nesting_depth_of_two_valid_parentheses_strings'
+require 'minitest/autorun'
+
+class MaximumNestingDepthOfTwoValidParenthesesStringsTest < ::Minitest::Test
+  def test_default_one
+    assert_equal(
+      [0, 1, 1, 1, 1, 0],
+      max_depth_after_split(
+        '(()())'
+      )
+    )
+  end
+
+  def test_default_two
+    assert_equal(
+      [0, 0, 0, 1, 1, 0, 0, 0],
+      max_depth_after_split(
+        '()(())()'
+      )
+    )
+  end
+end