目录std::vector扩容总结std::vector std::vector是C++标准库中的一个容器，它提供了动态数组的功能。它的底层实现是通过连续的内存块来存储元素，这使得它能够在O(1)的时间复杂度下进行随机访问。
As it currently stands, this question is not a good fit for our Q&A format. We expect answers to be supported by facts, references,or expertise, but this question will likely solicit debate, a
加载中,请稍侯......