资料链接简记

c++技巧：       

http://codeforces.com/blog/entry/15643

字符串博客：                                             

 http://www.cnblogs.com/a180285/archive/2012/02/22/2363468.html

std::find:                            

http://www.cplusplus.com/reference/string/string/find/

字符串-马拉车：              

http://www.bilibili.com/video/av4829276/

数位DP：                                    

http://winoros.logdown.com/posts/238483-summary-of-pos-dp

http://www.cnblogs.com/xz816111/p/4809913.html

http://www.cnblogs.com/wuyudong/p/numerical-digit-dp.html

http://blog.youkuaiyun.com/dslovemz/article/details/8540340

http://www.cnblogs.com/jffifa/archive/2012/08/17/2644847.html(模板）

http://www.cnblogs.com/xz816111/p/4809913.html（模板详解）

网络流：

http://blog.youkuaiyun.com/freezhanacmore/article/details/9366053

http://www.csie.ntnu.edu.tw/~u91029/Flow.html#1

代码:http://blog.youkuaiyun.com/u011346442/article/category/5638357