test
google
readme
Merge pull request #3 from disoul/master

disoul ：
ok，good job
Merge pull request #4 from SinkableFish/master

SinkableFish
ok
Merge pull request #9 from pushpines/master

Chengshengyang
chengshengyang
删除了一个多余的int i
Merge pull request #11 from pushpines/master

CSY删除了一个多余的int i
XuZongdi task
XuZongdi task
Merge pull request #13 from semprathlon/master

XuZongdi task
remove unuse file