C++ 字符数据类型
字符类型
The char 数据类型用于存储单个字符。字符必须用单引号括起来，例如 'A' 或 'c'
或者，如果您熟悉 ASCII，则可以使用 ASCII 值来显示某些字符
提示：可以在我们的 ASCII 表参考 中找到所有 ASCII 值的列表。
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