The output of a typical C programming example is a square, and the programming example is a square.

The output of a typical C programming example is a square, and the programming example is a square.
An example of classical C programming language outputs a square

Instance description:

-Output a square using an output statement.

Implementation process:

#include 

main()
{
    printf("* * * * *\n");
    printf("*       *\n");
    printf("*       *\n");
    printf("*       *\n");
    printf("* * * * *\n");
}

Technical points:

1. the printf statement contains the "\ n" symbol, which is an escape character.

2. character constants can be divided into general character constants and special character constants.

3. General character constants: 'A', 'A', and '8 '.

4. Special character constant: it is also called an escape character and starts.

Escape Character	Description	ASCII code
\	Bell)	7
\ B	Returns the current position to a grid.	8
\ F	Change page (FF), move the current position to the beginning of the next page	12
\ N	Line feed (LF), move the current position to the beginning of the next line	10
\ R	Press enter (CR) to move the current position to the beginning of the line	13