Zadanie switch 5

#include <iostream>
using namespace std;
int main()
{
    int x;
    int suma;


    cout << "Podaj ilosc roz" << endl;
    cin >> x;

    switch (x)
    {
    case 1:
        cout << "Buiket kosztuje 15 Zl" << endl;
        break;
    case 2:
    case 3:
    case 4:
        suma = x * 13;
        cout << "Bukiet kosztuje " << suma << " Zl" << endl;
        break;
    case 5:
    case 6:
    case 7:
        suma = x * 11;
        cout << "Bukiet kosztuje " << suma << " Zl" << endl;
        break;
    default:
        suma = x * 10;
        cout << "Bukiet kosztuje " << suma << " Zl" << endl;
        break;
    }
}