实验10-1 圆形体体积计算器

实验10-1 圆形体体积计算器

正常模拟即可，有点麻烦便是。

#include<stdio.h>
#define PI 3.1415926535
void pr(){
    printf("1-Ball\n");
    printf("2-Cylinder\n");
    printf("3-Cone\n");
    printf("other-Exit\n");
    printf("Please enter your command:\n");
}
//球体体积
double Ball(){
    printf("Please enter the radius:\n");
    double radius;
    scanf("%lf",&radius);
    return 4*(PI*radius*radius*radius)/3.0;
}
//圆柱体体积
double Cylinder(){
    printf("Please enter the radius and the height:\n");
    double radius,height;
    scanf("%lf %lf",&radius,&height);
    return (PI*radius*radius*height);
}
//圆锥体体积
double Cone(){
    printf("Please enter the radius and the height:\n");
    double radius,height;
    scanf("%lf %lf",&radius,&height);
    return (PI*radius*radius*height)/3.0;
}

int main(){
    int n;
    while(1){
        pr();
        scanf("%d",&n);
        switch(n){
            case 1:
                printf("%.2lf\n",Ball());
                break;
            case 2:
                printf("%.2lf\n",Cylinder());
                break;
            case 3:
                printf("%.2lf\n",Cone());
                break;
            default:
                exit(0);
                break;
        }
    }
    return 0;
}