Reading file into array

#include "stdafx.h"
#include <iostream>
#include <fstream>
#include <stdlib.h>
#include <string>
double minimumnumber(int[], int);
double maximumNumber(int[], int);
double gettotal(int[], int);

using namespace std;

int main()
{
	ifstream inputfile;
	ofstream outputfile;
	string name;
	string filename;
	const int ARRAY_SIZE = 12;
	int numbers[ARRAY_SIZE];
	


	cout << " Enter a file name for input:";
	getline(cin, filename);
	//cout << ARRAY_SIZE << " " <<"read from input file" << endl;
	//cout<<" Enter a file name for output:";
	//getline (cin, name);

	inputfile.open(filename.c_str());
	//  minimumnumber();
	//outputfile.open (name.c_str() );


	if (!inputfile.good())
	{
		cout << "Error opening file";
		exit(0);
	}
	int count = 0;
	while (inputfile >> numbers[count]) { //inputfile deals with the numbers of the file
		count++;

	}
	cout <<count<<"Were read from the file";
	double lowest;
	//cout<<" The numbers are:";
	lowest = minimumnumber(numbers, count);
	//cout<<lowest;

	cout << "The lowest number:" << lowest << endl;

	double highest;
	highest = maximumNumber(numbers, count);
	cout << "The biggest number:" << highest << endl;

	double totall;
	totall = gettotal(numbers, count);
	cout << "Total numbers:" << totall << endl;

	double average;

	average = totall / (count);
	cout << "Average numbers is " << average << endl;

	inputfile.close();




	//cout<<line<<"\n";

	//min = line;


	/*if (line < min)
	{
	min = line;
	cout<<min<<endl;

	}

	if (line > max)
	{
	max = line;
	cout<<max<<endl;

	}

	}*/















	system("PAUSE");
	return 0;
}




double minimumnumber(int arr[], int size) {


	int index = 0;
	int min;
	min = arr[0];
	for (; index <size; index++) {
		if (arr[index] < min)
			min = arr[index];
		//min = [index];
	}
	return min;
}


double maximumNumber(int arr[], int size)
{
	int max = arr[0];

	for (int index = 0; index < size; index++) {
		if (arr[index] > max)

			max = arr[index];
	}


	return max;

}

double gettotal(int arr[], int numbers)

{
	int total =0;

	for (int index = 0; index<numbers; index++)
		

		total += arr[index];

	//return total;
	return total;
}