关于C++的容器，vector之所以被认为是一个容器，是因为它能够像容器一样存放各种类型的对象，简单地说，vector是一个能够存放任意类型的动态数组-About C++ containers, vector reason is considered to be a container, the container is the same because it can be stored as objects of various types, simply put, vector is capable of storing a dynamic array of any type