线段树(segment tree),看这一篇就够了
https://blog.csdn.net/Yaokai_AssultMaster/article/details/79599809
一步一步理解线段树
https://www.cnblogs.com/TenosDoIt/p/3453089.html
实用数据结构—线段树(超详细讲解)
https://blog.csdn.net/u013174702/article/details/44161821
线段树(segment tree),看这一篇就够了
https://blog.csdn.net/Yaokai_AssultMaster/article/details/79599809
一步一步理解线段树
https://www.cnblogs.com/TenosDoIt/p/3453089.html
实用数据结构—线段树(超详细讲解)
https://blog.csdn.net/u013174702/article/details/44161821