tuto 3_1

 #include <iostream>
    #include <iomanip> //std::setprecision

    using namespace std;

    int main()
    {

            float price;
            int item;
            int temp;
            float total;

            cout << "Enter the price of item: ";
            cin >> price;

            if (price > 0){


                    temp = price;

                    cout << "\nEnter the number of items bought: ";
                    cin >> item;

                    if (item > 0){


                            float total = price - temp;
                            cout << "\n\nPrice of item is " << temp << " and ";


                            cout << fixed << setprecision(2) << total << endl;

                            cout << "Number of items bought is " << item << endl;

                            total = price*item;

                            cout << "Total amount to be paid is " << total << endl;
                    }

                    else if (item < 0){

                            cout << "Buy something dude \n";

                    }

                    else
                    {
                            cout << "Enter a valid number \n";
                    }
            }

            else {
                    cout << "Enter a valid number \n";
            }



            return 0;
    }