模仿并实现 C++STL，主要包括：容器、迭代器、算法和仿函数。开发环境为VS2017

Imitate and implement C ++ STL, which mainly includes: container, iterator, algorithm and function object. The development environment is VS2017

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   • 该图展示了使用 vector 模板进行添加、删除等操作的结果(The figure shows the results of adding, deleting, etc. using the vector template)