From e5bd3c950bb5b914e988e8537ad2bb2dad36dba5 Mon Sep 17 00:00:00 2001
From: Ippei Obayashi <ohai@kmc.gr.jp>
Date: Sun, 9 Feb 2014 15:59:37 +0900
Subject: [PATCH 1/2] An answer code for codebreaker

---
 code_breaker/ohai/codebreaker.rb | 27 +++++++++++++++++++++++++++
 1 file changed, 27 insertions(+)
 create mode 100644 code_breaker/ohai/codebreaker.rb

diff --git a/code_breaker/ohai/codebreaker.rb b/code_breaker/ohai/codebreaker.rb
new file mode 100644
index 0000000..a69a0ec
--- /dev/null
+++ b/code_breaker/ohai/codebreaker.rb
@@ -0,0 +1,27 @@
+require 'set'
+
+module Codebreaker
+  class Game
+    def initialize(output)
+      @output = output
+    end
+
+    def start(secret)
+      @secret = secret.each_char.to_a
+      @output.puts("Welcome to Codebreaker!")
+      @output.puts("Enter guess: ")
+    end
+    
+    def guess(numbers)
+      ("+" * hit_count(numbers)) + ("-" * match_count(numbers))
+    end
+
+    def hit_count(numbers)
+      numbers.each_char.zip(@secret).count{|n, s| s == n }
+    end
+
+    def match_count(numbers)
+      (Set.new(numbers.each_char) & @secret).size - hit_count(numbers)
+    end
+  end
+end

From 5eb4132bc25e0abe2df23cb7821ce708b669eb66 Mon Sep 17 00:00:00 2001
From: Ippei Obayashi <ohai@kmc.gr.jp>
Date: Tue, 11 Feb 2014 23:02:38 +0900
Subject: [PATCH 2/2] Update codebreaker

---
 code_breaker/ohai/codebreaker.rb | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/code_breaker/ohai/codebreaker.rb b/code_breaker/ohai/codebreaker.rb
index a69a0ec..f723841 100644
--- a/code_breaker/ohai/codebreaker.rb
+++ b/code_breaker/ohai/codebreaker.rb
@@ -17,7 +17,7 @@ def guess(numbers)
     end
 
     def hit_count(numbers)
-      numbers.each_char.zip(@secret).count{|n, s| s == n }
+      numbers.each_char.zip(@secret).count{|char, secret_char| char == secret_char }
     end
 
     def match_count(numbers)