// This program totals and averages the sales figures for
// any number of days. The figures are stored in a
// dynamically allocated array.
#include <iostream>
#include <iomanip>
using namespace std;

int main()
{
    double  *sales,                 // To dynamically allocate an array
            total = 0.0,            // Accumulator
            average;                // To hold average sales
    int     numDays,                // To hold number of days of sales
            count;                  // Counter variable

    // Get number of days of sales.
    cout << "How many days of sales figures do you wish to process? ";
    cin >> numDays;

    // Dynamically allocate an array large enough
    // to hold that many days of sales amounts.
    sales = new double[numDays];    // Allocate memory

    // Get the sales figures for each day.
    cout << endl << "Enter the sales figures below.\n";
    for (count = 0; count < numDays; count++)
    {
        cout << "Day " << (count + 1) << ": ";
        cin >> sales[count];
    }

    // Calculate the total sales.
    for (count = 0; count < numDays; count++)
    {
        total += sales[count];
    }

    // Calculate the average sales per day.
    average = total / numDays;

    // Display the results.
    cout << setprecision(2) << fixed << showpoint;
    cout << endl << "Total Sales: $" << total << endl;
    cout << "Average Sales: $" << average << endl;

    // Free dynamically allocated memory.
    delete [] sales;
    sales = 0;
    return 0;
}