# 数据结构与算法 ### 参考资料 - [How to: What are the lesser known but useful data structures?](http://sevennet.org/2014/11/21/how-to-what-are-the-lesser-known-but-useful-data-structures/) - [浅谈程序优化](http://mp.weixin.qq.com/s?__biz=MjM5OTA1MDUyMA==&mid=205349836&idx=2&sn=fe91dd877df3aef8b686778a4144724e#rd)