错误有两点第一,double型输入得用%lf,输出的话%f与%lf都行第二,main函数前为void,即为空,是无返回值的,故最后的return 0;去掉改成这样#include#define PI 3.14159 void main() {double radius,high,volume;double cylinder(double r,double h);scanf("%lf%lf",&radius,&high); volume=cylinder(radius,high);printf("radius :%f\n",radius);printf("high :%...
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