C++经典算法题-Press any key to change color, do you want to try it. Please hurry up!

#include <conio.h>
    void main(void)
    {
        int color;
        for (color = 0; color < 8; color++)
        {
            textbackground(color); /*设置文本的背景颜色*/
            cprintf("This is color %d\r\n", color);
            cprintf("ress any key to continue\r\n");
            getch(); /*输入字符看不见*/
        }
    }