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[C++] Write a Program that calculates How Much a Student Organization Earns During its Fund Raising Candy Sale.




Write a Program that calculates How Much a Student Organization Earns During its Fund Raising Candy Sale.
The program should prompt the user to enter then umber of candy bars sold and the amount the organization earns for each bar sold. It should then calculate and display the total amount earned.


How did I approach this problem?
First, I defined the objective of the program, which is to calculate the money raised from selling candy bars. Then, I came up with the names and types of variable for the program. Lastly, I started writing the code.

Here is my code with explanatory comments:
// Amr - http://www.a-wanly.com/
// C++ Excersie
// IDE - Visual Studio 2017
#include "stdafx.h"
#include <cstdio>
#include <iostream>
using namespace std;
int main()
{
unsigned int numofCandyBars = 0; /* + We are using unsigned int since it is not possible to have a negative number of candy bars sold, we go from 0 and up.
+ Using unsigned will save up some memory
+ Setting the variable to 0 will intialize it
*/
double priceofEachBar = 0; /* + We are using double as we could be dealing with fraction of numbers. Ex: $1, $2.5, etc...
+ Setting the variable to 0 will intialize it
*/
double earnings = 0; /* + We are using double as we could be dealing with fraction of numbers. Ex: $1, $2.5, etc...
+ Setting the variable to 0 will intialize it
*/
cout << "Student Organization - Candy Bar Earnings:" << endl;
cout << "------------------------------------------\n" << endl;
cout << "How many bars did the student org. sell? - Please Enter a Value: " << endl;
cin >> numofCandyBars; //whatever values the user inputs for the number of candy bars will be stored in numofCandyBars
cout << endl;
cout << "For how much did the student org. sell each bar? - Please Enter a Value" << endl;
cin >> priceofEachBar; //whatever values the user inputs for the price of a candy bar will be stored in priceofEachBar
cout << endl;
//Now we will calculate the earnings
earnings = numofCandyBars * priceofEachBar;
cout << "The Student Org. raised: $" << earnings << "" << endl;
cout << "Thank you for using the earning calculator!\n";
return 0;
}
view raw CandySales.cpp hosted with ❤ by GitHub

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