C :

#include<stdio.h>
#define PI 3.14
int main()
{
//	freopen("testin.txt","r",stdin);
//	freopen("testout.txt","w",stdout);
	float r,h,C1,Sa,Sb,Va,Vb;
	scanf("%f%f",&r,&h);
	C1=2*PI*r;
	Sa=PI*r*r;
	Sb=4*PI*r*r;
	Va=4*PI*r*r*r/3;
	Vb=PI*r*r*h;
	printf("C1=%.2f\nSa=%.2f\nSb=%.2f\nVa=%.2f\nVb=%.2f\n",C1,Sa,Sb,Va,Vb);
	return 0;
}

C++ :

#include<cstdio>
#include<cstring>
#include<iostream>
using namespace std;
int main()
{
    double r,h,PI=3.14;
    scanf("%lf%lf",&r,&h);
    printf("C1=%.2lf\n",2*PI*r);
    printf("Sa=%.2lf\n",PI*r*r);
    printf("Sb=%.2lf\n",4*PI*r*r);
    printf("Va=%.2lf\n",PI*r*r*r*4.0/3.0);
    printf("Vb=%.2lf\n",PI*r*r*h-0.005);
	return 0;
}