BR012saleDiscountExample

#include <iostream>



int main()
{
    float sum{ 0 };
    float sumWithDiscount{ 0 };

    const int sumRangeA{ 1000 };
    const int sumRangeB{ 2000 };
    const int sumRangeC{ 3000 };

    const int discountA{ 10 };
    const int discountB{ 20 };
    const int discountC{ 30 };

    const float percentQ{ 100.0 };
    int discount{ 0 };


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

    if (sum >= sumRangeA and sum < sumRangeB)
    {
        discount = discountA;
    }
    else if (sum >= sumRangeB and sum < sumRangeC)
    {
        discount = discountB;
    }
    else if (sum > sumRangeC)
    {
        discount = discountC;
    }

    std::cout << "Full Sum: " << sum << '\n';

    if (discount > 0)
    {
        float discountSum{ sum * (discount / percentQ) };
        sumWithDiscount = sum - discountSum;

        std::cout << "Discount is: " << discountSum << '\n';
        std::cout << "Sum with discount is: " << sumWithDiscount << '\n';
    }
    else
    {
        std::cout << "No discount!\n";
    }

/*

    if (sum < sumRangeA)
    {
        std::cout << "No discount!\n";
        std::cout << "Sum is: " << sum << '\n';
    }
    else if (sum >= sumRangeA and sum < sumRangeB)
    {
        sumWithDiscount = sum - sum * (discountA / percentQ);
        std::cout << "Sum with discount is: " << sumWithDiscount << '\n';
    }
    else if (sum >= sumRangeB and sum < sumRangeC)
    {
        sumWithDiscount = sum - sum * (discountB / percentQ);
        std::cout << "Sum with discount is: " << sumWithDiscount << '\n';
    }
    else if (sum > sumRangeC)
    {
        sumWithDiscount = sum - sum * (discountC / percentQ);
        std::cout << "Sum with discount is: " << sumWithDiscount << '\n';
    }

*/

    return 0;
}