摘要： #includeint main(void){int i,n;double h,r,v;double cylinder(double r,double h);printf("Enter n:");scanf("%d",&n);for(i=1;i<=n;i++){printf("Enter r and h:"); scanf("%lf%lf",&r,&h);if((r<=0)||(h<=0)){printf("输入错误，重新输入");}else{v=cyl 阅读全文