BV012IFDemoDiscountCalculator

#include <iostream>

int main()
{
    const int rangeA{ 500 };
    const int rangeB{ 1000 };
    const int rangeC{ 5000 };
    const int rangeD{ 10000 };

    const int discountA{ 0 };
    const int discountB{ 10 };
    const int discountC{ 20 };
    const int discountD{ 25 };
    const int discountE{ 30 };

    float sum{ 350 };
    int discount{discountA};
    float discountedSum{ 0 };

    std::cout << "Enter your sum:\n";
    std::cin >> sum;

    if (sum < rangeA)
    {
        discount = discountA;
    }
    else if (sum < rangeB)
    {
        discount = discountB;
    }
    else if (sum < rangeC)
    {
        discount = discountC;
    }
    else if (sum < rangeD)
    {
        discount = discountD;
    }
    else
    {
        discount = discountE;
    }

    if (discount > 0)
    {
        discountedSum = sum - (sum * (discount / (float)100));
        std::cout << "Discount:\t" << discount << "%" <<
            "\nSum without discount:\t" << sum <<
            "\nTotal sum with discount\t:" << discountedSum << '\n';
    }
    else
    {
        std::cout << "No discount!\nTotal sum is:" << sum << '\n';
    }
    //if (sum < rangeA)
    //{
    //  std::cout << "No discount!\nTotal sum is:" << sum << '\n';
    //}
    //else if (sum < rangeB)
    //{
    //  std::cout << "Discount 10%\nTotal sum is:" << sum * 0.9 << '\n';
    //}
    //else if (sum < rangeC)
    //{
    //  std::cout << "Discount 20%\nTotal sum is:" << sum * 0.8 << '\n';
    //}
    //else if (sum < rangeD)
    //{
    //  std::cout << "Discount 25%\nTotal sum is:" << sum * 0.75 << '\n';
    //}
    //else
    //{
    //  std::cout << "Discount 30%\nTotal sum is:" << sum * 0.70 << '\n';
    //}

}