#include<iostream>
#include <iomanip>
using namespace std;
 
// Function prototypes
double getTotal(double [], int);
double getAverage(double [], int);
double getLargest(double [], int, int &);
double getSmallest(double [], int, int &);
 
int main()
{
    const int NUM_MONTHS = 12;
    double rainFall[NUM_MONTHS];   // Stores total rainfall for each month
 
    // Input rainfall amounts and store them in the 12 array locations 
    for (int month = 0; month < NUM_MONTHS; month++)
    {
        cout << "Enter the rainfall (in inches) for month #";
        cout << (month + 1) << ": ";
        cin  >> rainFall[month];
 
        while (rainFall[month] < 0)
        {       cout << "Rainfall must be 0 or more.  Please re-enter: ";
                cin  >> rainFall[month];
        }
    }
 
    // Display the total rainfall
    cout << fixed << showpoint << setprecision(2) << endl;
    cout << "Total   rainfall for the year was ";
    cout << setw(5) << getTotal(rainFall, NUM_MONTHS) << " inches." << endl;
 
    // Display the average rainfall
    cout << "Average rainfall for the year was ";
    cout << setw(5) << getAverage(rainFall, NUM_MONTHS) << " inches." << endl << endl;
 
    // Display the months with the largest & smallest amounts of rain.
    // The variable index is passed by reference to the getLargest & 
    // getSmallest functions, so they can assign it the subscript of the 
    // array element having the largest, or smallest, amount of rainfall.
    int index; 
    cout << "The largest  amount of rainfall was " << setw(5);
    cout << getLargest(rainFall, NUM_MONTHS, index) << " inches in month ";
    cout << (index + 1) << "." << endl;
 
    cout << "The smallest amount of rainfall was " << setw(5);
    cout << getSmallest(rainFall, NUM_MONTHS, index) << " inches in month ";
    cout << (index + 1) << "." << endl;
    return 0;
}
 
 
 
double getTotal(double array[], int size)
{
	double total = 0;
 
	for(int count = 0; count < size; count++)
	{
	total += array[count];
	}
	return total; 
}
 
double getAverage(double array[], int size)
{	
	double total;
	double average;
 
 
	for(int count = 0; count < size; count++)
	{
	total += array[count];
	}
 
	for (count = 0; count < size; count++)
	{
	average = getTotal(array, size) / array[count];
	}
	return average;
}
 
 
double getLargest(double array[], int size, int &count)
{
	double largest = array[0];
 
	for (count = 1; count < size; count++)
	{ if (array[count] > largest)
	largest = array[count];
 
	}
	return largest;
}
 
double getSmallest(double array[], int size, int &count)
{
	double smallest = array[0];
 
	for (count = 1; count < size; count++)
	{ if (array[count] < smallest)
	smallest = array[count];
	}
	return smallest;
}