(C++) Please restructure this program so that the driver function/ int main() is

Question

(C++) Please restructure this program so that the driver function/int main() is at the beginning of the program.

#include
#include

using namespace std;

// To create the odd and even array of maximum numbers
#define MAX 100

// function to get the highest element
int getHighest(int *arr, int size) {
   int max = arr[0];
   for(int i=0; i        if(arr[i] > max) {
           max = arr[i];
       }
   }
   return max;
}

// function to get the lowest element
int getLowest(int *arr, int size) {
   int min = arr[0];
   for(int i=0; i        if(arr[i] < min) {
           min = arr[i];
       }
   }
   return min;
}

// function to get the average element
double getAverage(int *arr, int size) {
   double sum = 0;
   for(int i=0; i        sum += arr[i];
   }
   return sum/size;
}

// function to print the numbers greater than average
void printHigherNumber(int *arr, int size, double avg) {
   for(int i=0; i        if(arr[i] > avg) {
           cout << arr[i] << " ";
       }
   }
   cout << endl;
}

// Driver function
int main()
{
   int even[MAX]={0}, odd[MAX]={0};
   int countEven=0, countOdd=0;
  
   std::fstream myfile("data.txt", std::ios_base::in);
  
   // If unable to open file
   if (!myfile.is_open())
   {
       cout << "Invalid input file." << endl;
       return 1;
   }
  
   int a;
   while (myfile >> a)
   {
       if(a%2==0) {
           even[countEven++] = a;
       } else {
           odd[countOdd++] = a;
       }
   }
  
   cout << "Highest of Even Array: " << getHighest(even, countEven) << endl;
   cout << "Lowest of Even Array: " << getLowest(even, countEven) << endl;
   cout << "Average of Even Array: " << getAverage(even, countEven) << endl;
   cout << "Numbers higher than average in Even Array: ";
   printHigherNumber(even, countEven, getAverage(even, countEven));
   cout << endl;
  
   cout << endl;
  
   cout << "Highest of Odd Array: " << getHighest(odd, countOdd) << endl;
   cout << "Lowest of Odd Array: " << getLowest(odd, countOdd) << endl;
   cout << "Average of Odd Array: " << getAverage(odd, countOdd) << endl;
   cout << "Numbers higher than average in Odd Array: ";
   printHigherNumber(odd, countOdd, getAverage(odd, countOdd));
   cout << endl;

   return 0;
}

Explanation / Answer

#include <iostream>
#include <string>
#include <fstream>
using namespace std;
// To create the odd and even array of maximum numbers
#define MAX 100
// function to get the highest element
int getHighest(int *arr, int size);
int getLowest(int *arr, int size);
double getAverage(int *arr, int size);
void printHigherNumber(int *arr, int size, double avg);
// Driver function
int main()
{
int even[MAX]={0}, odd[MAX]={0};
int countEven=0, countOdd=0;
  
std::fstream myfile("data.txt", std::ios_base::in);
  
// If unable to open file
if (!myfile.is_open())
{
cout << "Invalid input file." << endl;
return 1;
}
  
int a;
while (myfile >> a)
{
if(a%2==0) {
even[countEven++] = a;
} else {
odd[countOdd++] = a;
}
}
  
cout << "Highest of Even Array: " << getHighest(even, countEven) << endl;
cout << "Lowest of Even Array: " << getLowest(even, countEven) << endl;
cout << "Average of Even Array: " << getAverage(even, countEven) << endl;
cout << "Numbers higher than average in Even Array: ";
printHigherNumber(even, countEven, getAverage(even, countEven));
cout << endl;
  
cout << endl;
  
cout << "Highest of Odd Array: " << getHighest(odd, countOdd) << endl;
cout << "Lowest of Odd Array: " << getLowest(odd, countOdd) << endl;
cout << "Average of Odd Array: " << getAverage(odd, countOdd) << endl;
cout << "Numbers higher than average in Odd Array: ";
printHigherNumber(odd, countOdd, getAverage(odd, countOdd));
cout << endl;
return 0;
}
int getHighest(int *arr, int size) {
int max = arr[0];
for(int i=0; i<size;i++) {
if(arr[i] > max) {
max = arr[i];
}
}
return max;
}
// function to get the lowest element
int getLowest(int *arr, int size) {
int min = arr[0];
for(int i=0; i<size;i++) {
if(arr[i] < min) {
min = arr[i];
}
}
return min;
}
// function to get the average element
double getAverage(int *arr, int size) {
double sum = 0;
for(int i=0; i<size;i++) {
sum += arr[i];
}
return sum/size;
}
// function to print the numbers greater than average
void printHigherNumber(int *arr, int size, double avg) {
for(int i=0; i<size;i++){
if(arr[i] > avg) {
cout << arr[i] << " ";
}
}
cout << endl;
}

=======================================
Done, have a look
Thanks

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