al3_7.c

不错的C源码

/*案例代码文件名：AL3_7.C。*/
/*功能：说明函数scanf()的格式及作用。*/
main()
  {float radius,high,vol,pi=3.1415926;
   printf("Please input radius & high: ");
   scanf("%f%f",&radius,&high);		/*从键盘输入两个实数赋给变量r,h*/
   vol=pi*radius*radius*high;
   printf("radius=%7.2f, high=%7.2f, vol=%7.2f\n",radius,high,vol);
  }