技術標籤：c語言

//設圓半徑r=1.5，圓柱高h=3，求圓周長、圓面積、圓球表面積、圓球體積、圓柱體積。用scanf輸入資料，輸出計算結果 
#include<stdio.h>
#define PI 3.14
double circumference(double R);
double area(double R);
double Sarea(double R);
double V(double R);
double Vvolumn(double R,double H); 
int main(){
	double r;
	double h;
	printf("請輸入圓的半徑和高：\n"
 
);
	scanf("r=%lf h=%lf",&r);
	printf("周長為%lf\n",circumference(r));
	printf("圓面積為%lf\n",area(r));
	printf("圓球表面積為%lf\n",Sarea(r));
	printf("圓球體積為%lf\n",V(r));
	printf("圓柱體積為%lf\n",Vvolumn(r,h));
	return 0;
}
double circumference(double R)
 
{//圓周長
    double c=2*PI*R;
    return c;
}
double area(double R){//圓面積
    double s=2*PI*R*R;
    return s;
}
double Sarea(double R){//圓球表面積
    double s=3.0/4*PI*R*R;
    return s;
}
double V(double R){//圓球體積
    double V=4.0/3*PI*R*R*R;
    return V;
}
double Vvolumn(double R,double H){//圓柱體積 
    //double V=4/3.0*PI*R*R*R;
 

    double v=4/3.0*PI*R*R*R*H;
    return v;
}