2.C++Vector容器

原創 iqiu 2020-06-19 13:06

vector可以动态扩展（拷贝到新空间，释放原空间）
Vector容器的迭代器是支持随机访问的迭代器

Vector构造函数

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vector赋值

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容量和大小

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插入和删除

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数据存取

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互换容器

v2.swap（v1）；
实际用途：收缩内存
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预留空间

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