zoj2112 主席树动态第k大 （ 参考资料链接）

参考链接：

http://blog.youkuaiyun.com/acm_cxlove/article/details/8565309

http://www.cnblogs.com/Rlemon/archive/2013/05/24/3096264.html

http://seter.is-programmer.com/posts/31907.html

http://blog.youkuaiyun.com/metalseed/article/details/8045038

转载于:https://www.cnblogs.com/13224ACMer/p/4868064.html