added CONTRIBUTING.md

CONTRIBUTING.md

@@ -0,0 +1,33 @@
+# Contributing to CppPrimer
+
+Please ensure your pull request adheres to the following guidelines:
+
+1. No tabs, Use only spaces, and indent **4 space** at a time.
+2. No `using namespace std;`
+3. Put **spaces** after each **semicolon**, around **operators**.
+```cpp
+for(auto i=0;i!=size;++i) 		     // Bad
+for (auto i = 0; i != size; ++i) 	  // Good
+auto epsilon=2*gamma-delta*pi;	     // Bad
+auto epsilon = 2 * gamma - delta * pi; // Good
+```
+4. Put **braces** to next line in function(such as `main()`), **otherwise, End of line**.
+```cpp
+int main()
+{
+    Sales_item total;
+    if (std::cin >> total) {
+        Sales_item trans;
+        while (std::cin >> trans) {
+            //...
+        }
+    }
+}
+```
+
+Thank you for your suggestions!
+
+#### Tips for good commits and issues.
+
+1. Read up on [Github Flavored Markdown](https://help.github.com/articles/github-flavored-markdown)
+2. [Closing Issues via Commit Messages](https://github.com/tiimgreen/github-cheat-sheet#closing-issues-via-commit-messages) is encouraged.

README.md

@@ -1,23 +1,14 @@
-##C++ Primer 5 Answers
+##C++ Primer 5th Answers
 
-[![GitHub issues](https://img.shields.io/github/issues/Mooophy/Cpp-Primer.svg)](https://github.com/Mooophy/Cpp-Primer/issues)
-[![GitHub license](https://img.shields.io/badge/license-CC0-blue.svg)](https://raw.githubusercontent.com/Mooophy/Cpp-Primer/master/LICENSE)
+[![GitHub issues](https://img.shields.io/github/issues/Mooophy/Cpp-Primer.svg)](https://github.com/pezy/CppPrimer/issues)
+[![GitHub license](https://img.shields.io/badge/license-CC0-blue.svg)](https://raw.githubusercontent.com/pezy/Cpp-Primer/master/LICENSE)
 [![](https://img.shields.io/badge/%E4%B8%AD%E6%96%87-%E8%AE%A8%E8%AE%BA%E5%8C%BA-yellowgreen.svg)](https://github.com/ReadingLab/Discussion-for-Cpp)
-[![](https://img.shields.io/badge/douban-%E5%B0%8F%E7%BB%84-green.svg)](http://www.douban.com/group/532124/)
 
-### Note
+### Notes
 
-- Use `-std=c++11`(optional: `-pedantic -Wall`) flag when compiling.(or you can use Visual Studio 2012+)
-- If you found any bug, please [let me know](https://github.com/Mooophy/Cpp-Primer/issues/new), thanks.
-- I have downloaded the headers from this book's [web site](http://www.informit.com/store/c-plus-plus-primer-9780321714114) and put them in the `include` folder.
-- In order to test the program in an efficient way, I also put the test data file in the `data` folder.
-
-### How to contribute
-
-- Please **fork**([How?](https://help.github.com/articles/fork-a-repo)) this repository first.
-- **Commit**([How?](https://help.github.com/articles/create-a-repo#commit-your-first-change)) in your own repository.
-- Give me a **pull request**([How?](https://help.github.com/articles/using-pull-requests)).
-- **Syncing** with([How?](https://help.github.com/articles/syncing-a-fork/)) the origin repository. This is very **important** because this repo updates frequently.
+- **g++** and **clang++** are recommended. Visual Studio 2013 may be used as well, but up to June 2015, Visual Studio has not implemented all c++11 features yet.
+- Use `-std=c++11`(recommend: `-pedantic -Wall`) flag for compiling.
+- If any bug caught, please [let me know](https://github.com/pezy/Cpp-Primer/issues/new), thanks.
 
 ### Contents