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Update ch10.md #22

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May 16, 2021
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Update ch10.md #22

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Lihang99 May 16, 2021
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Lihang99 May 16, 2021
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2 changes: 1 addition & 1 deletion excersize/ch10.md
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Expand Up @@ -130,7 +130,7 @@ int main()
解：

* (a) 应该加一条语句 `vec.resize(lst.size())` 。`copy`时必须保证目标目的序列至少要包含与输入序列一样多的元素。
* (b) 从语句上来说没错误，这段代码没有任何结果。但是从逻辑上来说，应该将 `vec.reserve(10)` 改为 `vec.resize(10)` 。
* (b) reserve分配了足够的空间，但是不会创建新元素。算法可能改变容器中保存的元素的值，也可能在容器内移动元素，永远不会直接添加和删除元素(c++ priemr中文版第五版 P338)，所以此处应该改为resize(10)。

## 练习10.8

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