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
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