圆柱体表面积

#include <iostream>
using namespace std;
int main()
{
    double r,h,s;
    cin>>r>>h;
    s=2*3.1415926*r*r+2*3.1415926*h*r;
    cout<<"圆柱体表面积="<<s<<endl;
    return 0;
}
#include <iostream>
using namespace s