C :

#include<stdlib.h>
#include"stdio.h"
#include"math.h"
#define PI 3.14
int main()
{
float r,h;
double c,area,s,sv,cv;
scanf("%f%f",&r,&h);
c=2*PI*r;
area=PI*r*r;
s=4*PI*r*r;
sv=4*PI*r*r*r/3;
cv=PI*r*r*h;
printf("c=%.2f\narea=%.2f\ns=%.2f\nsv=%.2f\ncv=%.2f\n",c,area,s,sv,cv);
}

C++ :

#include<stdio.h>
#include<math.h>
#define PI 3.14
int main()
  {
  double c,area,s,sv,cv,r,h;
  scanf("%lf%lf",&r,&h);
  c=2*PI*r;
  area=PI*r*r;
  s=4*PI*pow(r,2);
  sv=(4*PI*pow(r,3))/3;
  cv=area*h;
  printf("c=%.2f\n",c);
  printf("area=%.2f\n",area);
  printf("s=%.2f\n",s);
  printf("sv=%.2f\n",sv);
  printf("cv=%.2f\n",cv);
  return 0;
}