EEPW论坛

/* Note:Your choice is C IDE */
#include "stdio.h"
void main()
{
    float h,r,l,s,sq,vq,vz;
    float pi=3.1415926;
    scanf("%f,%f",&r,&h);
    l=2*pi*r;
    s=r*r*pi;
    sq=4*pi*r*r;
    vq=4.0/3.0*pi*r*r*r;
    printf("l=%6.2f\n",l);
    printf("s=%6.2f\n",s);
    printf("sq=%6.2f\n",sq);
    printf("vq=%6.2f\n",vq);
    printf("ID:2013914103");
}

总结：根据数学公式算圆的周长，面积，球的体积