C++11之array数组基础学习
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文章参考:http://c.biancheng.net/view/7809.html
概述
C++ 11 标准中,基于整数大小的考虑,共提供了如表 1 所示的这些数据类型。与此同时,标准中还明确限定了各个数据类型最少占用的位数。
| 整数类型 | 等价类型 | C++11标准规定占用最少位数 |
|---|---|---|
| short | short int(有符号短整型) | 至少 16 位(2 个字节) |
| signed short | ||
| signed short int | ||
| unsigned short | unsigned short int(无符号短整型) | |
| unsigned short int | ||
| int | int(有符号整形) | 至少 16 位(2 个字节) |
| signed | ||
| signed int | ||
| unsigned | unsigned int(无符号整形) | |
| unsigned int | ||
| long | long int(有符号长整形) | 至少 32 位(4 个字节) |
| long int | ||
| signed long | ||
| signed long int | ||
| unsigned long | unsigned long int(无符号长整形) | |
| unsigned long int | ||
| long long(C++11) | long long int(有符号超长整形) | 至少 64 位(8 个字节) |
| long long int(C++11) | ||
| signed long long(C++11) | ||
| signed long long int(C++11) | ||
| unsigned long long(C++11) | unsigned long long int(无符号超长整型) | |
| unsigned long long int(C++11) |
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