摘要：
http://www.notonlysuccess.com/index.php/segment-tree-complete/#include#include#include#include#define lson l,m,rt>1; build(lson); build(rson); ... 阅读全文
摘要：
在刷线段树，参考自http://www.notonlysuccess.com/index.php/segment-tree-complete/#include#include#include#define lson l,m,rt>1; build(lson); build(rson); ... 阅读全文