动画效果的HelloWorld程序1
#include <stdio.h>
#include <Windows.h>

int main（void）
{
printf（"H"）;
Sleep(500);

printf ("e");
Sleep (500);

printf ("I");
Sleep (500);

printf ("I");
Sleep (500);

printf ("o");
Sleep (500);

printf (",");
Sleep (500);

printf ("w");
Sleep (500);

printf ("o");
Sleep (500);

printf ("r");
Sleep (500);

printf ("I");
Sleep (500);

printf ("d");
Sleep (500);

printf ("！");
Sleep（500）；

return 0;
}