#include#includevoid qudong() //驱动初始化{ int driver=9,mode=2; //640*480 initgraph(&driver,&mode,"");//打开驱动文件}void main(){ int x1 = 50, y = 240; int x2 = 450; qudong(); while(x2 - x1 > 0) {delay(100);clearviewport();//清屏circle(x1,y,20);circle(x2,y,30);x1++;
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