C++Persistent segment tree持久段树的实现算法 C++Persistent segment tree持久段树的实现算法完整源码(定义,实现,main函数测试) C++Persistent segment tree持久段树的实现算法完整源码(定义,实现,main函数测试) #include <iostream> /// for IO operations #include <memory> /// to manage dynamic memory #include <vector> /// for std