fixx

#include <iostream>
#include <string>
#include <fstream>
#include <climits>

using namespace std;

int getSize(string fileName)
{
  int cnt = 0;
  int throwAway;

  ifstream inputFile;

  inputFile.open(fileName);

  while (inputFile >> throwAway)
  {
    cnt++;
  }

  inputFile.close();

  return cnt;
}

void readNumbers(string fileName, int nums[], int size)
{
  ifstream inputFile;

  inputFile.open(fileName);

  int cnt = 0;

  while ((cnt < size) && (inputFile >> nums[cnt]))
  {
    cnt++;
  }

  inputFile.close();
}

int getLowestNum(int nums[], int size)
{
  int lowest = INT_MAX;

  for (int i = 0; i < size; i++)
  {
    if (nums[i] < lowest)
    {
      lowest = nums[i];
    }
  }
  return lowest;
}

int getHighestNum(int nums[], int size)
{
  int highest = INT_MIN;

  for (int i = 0; i < size; i++)
  {
    if (nums[i] > highest)
    {
      highest = nums[i];
    }
  }
  return highest;
}

int calcSum(int numbers[], int size)
{
  int sum = 0;

  for (int cnt = 0; cnt < size; cnt++)
  {
    sum += numbers[cnt];
  }

  return sum;
}

double getAverageNum(int numbers[], int size)
{
  double average = 0;
  int totalNum = calcSum(numbers, size);

  if (size != 0) //safety measure to prevent division by zero
  {
  average = totalNum / size;
  }

  return average;
}

int main()
{
  string fileName;
  cout << "Please enter the name of the file: ";
  cin >> fileName;

  int size = getSize(fileName);
  int* numbers;
  numbers = new int[size];
  int lowestNum = getLowestNum(numbers, size);
  int highestNum = getHighestNum(numbers, size);
  int totalNum = calcSum(numbers, size);
  double averageNum = getAverageNum(numbers, size);

  cout << "\nThere are " << size << " numbers in this file." << endl;
  cout << "The lowest number is this file is: " << lowestNum << endl;
  cout << "The highest number in this file is: " << highestNum << endl;  //fixed
  cout << "The sum of the numbers in the file is: " << totalNum << endl;
  cout << "The average of these numbers is: " << averageNum << endl;

  char c;
  cout << "\nPress any key and ENTER to exit: ";
  cin >> c;

  return 0;
}