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// Monthly Sales Analysis
#include <iostream>
#include <iomanip>
using namespace std;
// Function Prototypes
void inputData(double[]);
int lowMonth(double[]);
int highMonth(double[]);
double averageSales(double[]);
const char * monthArray[] = {"January", "February", "March", "April",
"May", "June", "July", "August",
"September", "October", "November", "December"};
const int NUM_MONTHS = 12;
int main()
{
double salesArray[NUM_MONTHS];
int low, high;
double average;
// Input the monthly sales data
inputData(salesArray);
// Find the month with the highest sales
high = highMonth(salesArray);
// Find the month with the lowest sales
low = lowMonth(salesArray);
// Calculate the average monthly sales
average = averageSales(salesArray);
// Display results
cout << "The highest sales were in " << monthArray[high] << " with $" << setprecision(2) << fixed << salesArray[high] << endl;
cout << "The lowest sales were in " << monthArray[low] << " with $" << setprecision(2) << fixed << salesArray[low] << endl;
cout << "The average monthly sales were $" << setprecision(2) << fixed << average << endl;
//cin.get();
//cin.get();
}
// This functions requests the monthly sales data from the user
void inputData(double sales[])
{
for (int i = 0; i < NUM_MONTHS; i++)
{
cout << "Please enter the sales in dollars for " << monthArray[i] << " ";
cin >> sales[NUM_MONTHS];
}
return;
}
// This function determines which month had the highest sales and
// returns the number for that month, 0 = January, 1 = February, etc.
int highMonth(double sales[])
{
double highest;
highest = sales[i];
for (int i = 0; i < NUM_MONTHS; i++)
{
if (sales[i] > highest)
{
highest = sales[i];
highest = i;
}
}
return highest;
}
// This function determines which month had the lowest sales and
// returns the number for that month, 0 = January, 1 = February, etc.
int lowMonth(double sales[])
{
double lowest;
lowest = sales[0];
for (int i = 0; i < NUM_MONTHS; i++)
{
if (sales[i] < lowest)
{
lowest = sales[i];
lowest = i;
}
}
return lowest;
}
// This function computes the average monthly sales
double averageSales(double sales[])
{
double sum = 0;
for (int i = 1; i < NUM_MONTHS; i++)
{
sum += sales[i];
}
return sum / NUM_MONTHS;
}
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