c语言编程初步在屏幕上写一句话写在一个框中

Question

假如这句话是 hello world!~

Answer 1

送你个笨办法：#include <stdio.h>main()
{printf("=============================");priintf("||\n"); priintf("||\n");priintf("||\n");printf("Hello, world\n");priintf("||\n");priintf("||\n"); priintf("||\n");
printf("==============================");
}

Answer 2

#include <stdio.h>
void main()
{ char s[]="hello world!"; printf("%s",s);}

Answer 3

#include <stdio.h>main()
{
printf("Hello, world\n");
}