参考链接:
30张图带你彻底理解红黑树 https://www.jianshu.com/p/e136ec79235c
红黑树,超强动静图详解,简单易懂 https://www.jianshu.com/p/104fa73c81b3
漫画:什么是红黑树 https://baijiahao.baidu.com/s?id=1641940303518144126&wfr=spider&for=pc
关于红黑树(R-B tree)原理,看这篇如何 https://www.cnblogs.com/LiaHon/p/11203229.html
看了这么多篇红黑树文章,你理解了嘛? https://baijiahao.baidu.com/s?id=1645429373049393021&wfr=spider&for=pc
五分钟搞定红黑树(图解) http://www.360doc.com/content/18/0904/19/25944647_783893127.shtml
史上最清晰的红黑树讲解(上) https://www.cnblogs.com/CarpenterLee/p/5503882.html