Shulou(Shulou.com)06/02 Report--

This article mainly introduces "what is the definition of C++". In daily operation, I believe many people have doubts about what is the definition of C++. Xiaobian consulted all kinds of information and sorted out simple and easy operation methods. I hope to help you answer the doubts of "what is the definition of C++"! Next, please follow the small series to learn together!

Challenge #define

#define is a very useful instruction provided by C, but in C++, it is possible to eliminate the use of macros.

1 . The const macro allows the user to specify the value of an identifier as a constant,

For example: #define PI 3. 1415926

It can also be used to define strings: #define HZK16 "HZK16F" The following can be used by:

cout

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