Question

BER PROGRAMMING CONTENT: Submission request: For each program below: supply a copy of the source code provide a screenshot of the output W if you use an online compiler like onlinegdb.com, the link of your final code. 4) (10 points) Static Variables Go to the following link (https://onlinegdb.com/HJd49mBcm) and fork the code so that you can write your own version of the function discount ( to achieve the goal as described in the comments. As indicated by the title of this problem, it is intended that you use a static variable to assist with accomplishing your goal. 5) (15 points) Default Variables Go to the following link (https://onlinegdb.com/BysjOXB90) and fork the code so that you can write your own version of the function CalcArea(to achieve the goal as described in the comments. Certain variables have been designated as ones that should have a default value. 6) (15 points) Overloading Functions Go to the following link (https://onlinegdb.com/HJxoXaU0qQ) and fork the code so that you can write your own versions of the function CalcArea() to achieve the goal as described in the comments. Here you are writing three overloaded versions of the function. 91.pdf a

To be done in C++

Answer 1

thanks for the question, Please post one question at a time.

As per Chegg policy, I am instructed to only answer the first question, please post the remaining question as separate question.

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#include <iostream>

#include <iomanip>

#include <fstream>

using namespace std;

/*

This calculates the discount offered with the following rules:

- the first 5 people to use the coupon gets 50% off

- the next 5 people to use the coupon gets 25% off

- everyone after that gets 10% off

Input parameters:

origPrice - a float that represents the price before the discount

Output parameters:

Returns a float that represents the price after the discount

*/

float discount(float origPrice)

{

    float newPrice=0;

    static int people = 0; // static variable to track the people number

   

    /* Your job is to fill this function with all of the necessary code to make this work as

       described in the comments above. */

      

    if(people<5){

                newPrice = origPrice*0.5; // first 5 people get 50% off

                }else if(people<10){

                                newPrice = origPrice*0.75; // next 5 people get 25% off

                }else{

                                newPrice = origPrice*0.90; // remaining people get 10% off

                }

                people+=1;

    return(newPrice);

}

int main()

{

    ifstream infile;

    float tempPrice;

    float salePrice;

    infile.open("prices.txt");

   

    if (!infile)

    {

      cout << "Couldn't open file.\n";

      return 0;

    }

   

    cout << fixed << setprecision(2);

   

    while (infile >> tempPrice)

    {

        salePrice = discount(tempPrice);

        cout << "The initial price is: $" << tempPrice << " and the discounted price is: $" << salePrice << endl;

    }

    return 0;

}

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