// File array2.cpp
// Examples of array processing

#include <iostream>
const int MAX_SIZE = 5;

void zeroarray(int arr[]);
int loadarray(int arr[]);
int totalarray(const int arr[], int elem);
int findsmall(const int arr[], int elem);
float averagearray(int elem, int tot);
void printresults(const int arr[], int elem, int tot, int smallone, float average);

int main()
{
	int intarray[MAX_SIZE];
	int numofelements, total, smallest;
	float average;
	char c;

	zeroarray(intarray);
	numofelements = loadarray(intarray);
	total = totalarray(intarray, numofelements);
	smallest = findsmall(intarray, numofelements);
	average = averagearray(numofelements, total);
	printresults(intarray, numofelements, total, smallest, average);
    c = system("pause");
}

void zeroarray(int arr[])
{
	for (int i = 0; i < MAX_SIZE; ++i)
		arr[i] = 0;
}

int loadarray(int arr[])
{
	int i = 0;
	int num = 0;

	while (i < MAX_SIZE)
	{
		std::cout << std::endl << "Enter an integer or -1 to quit: ";
		std::cin  >> num;
		if (num == -1)
			return i;
		arr[i] = num;
		++i;
	}
	return MAX_SIZE;
}

int totalarray(const int arr[], int elem)
{
	int t = 0;

	for (int i = 0; i < elem; ++i)
		t = t + arr[i];
	return t;
}


int findsmall(const int arr[], int elem)
{
	int s = arr[0];

	if (elem == 0)
		return 0;
	for (int i = 1; i < elem; ++i)
		if (arr[i] < s)
			s = arr[i];
	return s;
}

float averagearray(int elem, int tot)
{
	return float(tot)/elem;
}

void printresults(const int arr[], int elem, int tot, int smallone, float av)
{
	std::cout << std::endl;
	std::cout << "The total number of declared elements is "
	     << MAX_SIZE << std::endl << std::endl;
	std::cout << "The number of elements used in the array is "
		<< elem << std::endl << std::endl;
	std::cout << "A list of all the elements: " << std::endl;
	for (int i = 0; i < MAX_SIZE; ++i)
		std::cout << arr[i] << std::endl;
	std::cout << std::endl;
	std::cout << "The total of all the elements is:  "
	     << tot << std::endl << std::endl;
	std::cout << "The smallest element value entered is:  "
              << smallone << std::endl;
    std::cout << "The average of the elements entered is:  "
	     << av << std::endl;
}