摘要: #includeint main(void){ double r,s; printf("Enter r:"); scanf("%lf",&r); if(r<=0) printf("NOT FOUND"); else s=r*r*3.1415926; printf("s=%lf\n",s); return 0;} 阅读全文
posted @ 2013-10-14 09:00 吕鼎鼎19950427 阅读(137) 评论(0) 推荐(0) 编辑