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翁恺班作业记录

:material-circle-edit-outline: 约 231 个字 :fontawesome-solid-code: 2 行代码 :material-clock-time-two-outline: 预计阅读时间 1 分钟

HW1

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C99才支持单行注释。所以之前的TC是不支持单行注释的。完美解释了我实验课用TC注释一直出错(滑稽)

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getline(s,5)设置长度,有一个空位要留给\0

cin.getline()属于istream流,而getline()属于string流

当同时使用cin>>, getline()时,需要注意的是,在cin>>输入流完成之后,getline()之前,需要通过

str="\n";
getline(cin,str);

的方式将回车符作为输入流cin以清除缓存,如果不这样做的话,在控制台上就不会出现getline()的输入提示,而直接跳过,因为程序默认地将之前的变量作为输入流。

HW2

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答案应该是1

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???????

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HW3

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HW4

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C++:友元(看这一篇就够了)_c++ 友元-CSDN博客

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C++中的静态成员变量和静态成员函数 - 知乎 (zhihu.com)

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HW6

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【C++】 内联函数详解(搞清内联的本质及用法)-CSDN博客

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HW7