From e4e8ed3898fc092ac57871e34bc5440501c796ca Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E9=82=B9=E6=99=93=E8=88=AA?= <1210603696@qq.com>
Date: Wed, 8 Oct 2014 21:35:55 +0800
Subject: [PATCH] Update README.md

---
 README.md | 18 +++++++++++++++++-
 1 file changed, 17 insertions(+), 1 deletion(-)

diff --git a/README.md b/README.md
index 239c75b..3fd1dcf 100644
--- a/README.md
+++ b/README.md
@@ -81,6 +81,22 @@ TinySTL
 ######i = 10000000 -> (TinySTL::circular_buffer：75ms \\ boost::circular_buffer：22ms)
 ######i = 100000000 -> (TinySTL::circular_buffer：604ms \\ boost::circular_buffer：252ms)
 ######i = 1000000000 -> (TinySTL::circular_buffer：5936ms \\ boost::circular_buffer：2241ms)
-
+    std::string str("abcdefghijklmnpqrstuvwxyz");
+    TinySTL::bitmap<26> bm;
+	for (auto it = str.cbegin(); it != str.cend(); ++it){
+		bm.set(*it - 'a');
+	}
+	cout << bm << endl;
+	cout << bm.size() << endl;
+	for (int i = 0; i != 26; ++i){
+		if (!bm.test(i))
+			cout << "字母" << (char)('a' + i) << "没出现！！！" << endl;
+	}
+题目：利用bitmap找出str中未出现的字母  
+输出结果：  
+
+    111111111111110111111111111000000
+    32  
+    字母o没出现！！！