homework_2.1

#include <iostream>
using namespace std;
int main () {
    float pi = 3.14;
    float h;
    float R;
    float r;
    float l;



    cout << "Vvedite h" << '\n';
    cout << "Vvedite R" << '\n';
    cout << "Vvedite r" << '\n';
    cout << "Vvedite l" << '\n';
    cin >> h;
    cin >> R;
    cin >> r;
    cin >> l;;
    cout << "V = " << pi * h * (R * R + R * r + r * r) / 3 << '\n';
    cout << "S = " << pi * (R * R + (R + r) * l + r * r);
    return 0;




}