代码改变世界

树状数组资料

2013-10-05 22:14  youxin  阅读(231)  评论(0)    收藏  举报

http://hawstein.com/posts/binary-indexed-trees.html

http://dongxicheng.org/structure/binary_indexed_tree/

http://www.cppblog.com/Ylemzy/articles/98322.html