关于C++的一个PPT教程C++语言概述，包括介绍
2.2 基本数据类型和表达式
2.3 数据的输入与输出
2.4 算法的基本控制结构
2.5 自定义数据类型
-on a PPT C C language tutorial overview Introduction 2.2 include basic data types and expressions 2.3 data input and output 2.4 algorithm basic control structure 2.5-defined data types, etc.
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