Memo

https://www.luogu.org/problemnew/solution/P4180

 

http://hzwer.com/8053.html

 

http://www.bubuko.com/infodetail-2047889.html

 

 

bzoj1367

Mobius

http://blog.csdn.net/u010579068/article/details/47726431

https://www.cnblogs.com/jianglangcaijin/p/4033399.html 

 

数论

http://blog.sina.com.cn/s/blog_76f6777d0101ir50.html 

 

bzoj 3173 treap

http://hzwer.com/6254.html

 

莫队

https://zhuanlan.zhihu.com/p/25017840

 

 

学不完了！！！