2024-04-29 v. 5.5.6: added "2347. Best Poker Hand"

Author: fartem

README.md

@@ -416,3 +416,4 @@ Profile on LeetCode: [fartem](https://leetcode.com/fartem/).
 | 2331. Evaluate Boolean Binary Tree                                 | [Link](https://leetcode.com/problems/evaluate-boolean-binary-tree/)                                 | [Link](./lib/easy/2331_evaluate_boolean_binary_tree.rb)                                 |
 | 2335. Minimum Amount of Time to Fill Cups                          | [Link](https://leetcode.com/problems/minimum-amount-of-time-to-fill-cups/)                          | [Link](./lib/easy/2335_minimum_amount_of_time_to_fill_cups.rb)                          |
 | 2341. Maximum Number of Pairs in Array                             | [Link](https://leetcode.com/problems/maximum-number-of-pairs-in-array/)                             | [Link](./lib/easy/2341_maximum_number_of_pairs_in_array.rb)                             |
+| 2347. Best Poker Hand                                              | [Link](https://leetcode.com/problems/best-poker-hand/)                                              | [Link](./lib/easy/2347_best_poker_hand.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 = '5.5.5'
+  s.version = '5.5.6'
   s.license = 'MIT'
   s.files = ::Dir['lib/**/*.rb'] + %w[bin/leetcode-ruby README.md LICENSE]
   s.executable = 'leetcode-ruby'

lib/easy/2347_best_poker_hand.rb

@@ -0,0 +1,26 @@
+# frozen_string_literal: true
+
+require 'set'
+
+# https://leetcode.com/problems/best-poker-hand/
+# @param {Integer[]} ranks
+# @param {Character[]} suits
+# @return {String}
+def best_hand(ranks, suits)
+  s = suits.to_set
+
+  return 'Flush' if s.length == 1
+
+  r = ::Array.new(14, 0)
+  max = 0
+  ranks.each do |rank|
+    r[rank] += 1
+    max = [max, r[rank]].max
+  end
+
+  return 'Three of a Kind' if max >= 3
+
+  return 'Pair' if max == 2
+
+  'High Card'
+end

test/easy/test_2347_best_poker_hand.rb

@@ -0,0 +1,17 @@
+# frozen_string_literal: true
+
+require_relative '../test_helper'
+require_relative '../../lib/easy/2347_best_poker_hand'
+require 'minitest/autorun'
+
+class BestPokerHandTest < ::Minitest::Test
+  def test_default
+    assert_equal('Flush', best_hand([13, 2, 3, 1, 9], %w[a a a a a]))
+    assert_equal('Three of a Kind', best_hand([4, 4, 2, 4, 4], %w[d a a b c]))
+    assert_equal('Pair', best_hand([10, 10, 2, 12, 9], %w[a b c a d]))
+  end
+
+  def test_additional
+    assert_equal('High Card', best_hand([13, 2], %w[a b]))
+  end
+end