Dev - C++ - Descuentos en ofertas

#include <iostream>

using namespace std;

int main() {

  float cantidad,precio;

  float desc,st, total; //st=subtotal

  cout << "Cantidad a comprar: ";

  cin >> cantidad;

  cout << "Precio del producto: ";

  cin >> precio;

  st = cantidad * precio;

  if (st < 50)

    desc = st * 0.08;

  else

    desc = st * 0.10;

  total = st - desc;

  cout << "Subtotal: " << st << endl;

  cout << "Descuento: " << desc << endl;

  cout << "Total a pagar: " << total << endl;

  return 0;

}