SortEvenOddNumbersArray

#include <iostream>
#include <cstdlib>

using namespace std;

int main()
{
    int arrSize;
    int matrix[100];
    int oddNum[100];
    int oddCtr = 0;
    int evenNum[100];
    int evenCtr = 0;
    int temp = 0;
    int a = 0;
    int b = 0;

    cin >> arrSize;

    for(int i = 0; i < arrSize; i++)
    {
        int num = rand() % 1000 + 1;
        matrix[i] = num;
        cout << matrix[i] << " ";
    }

    cout << endl << endl;

    while(a < arrSize)
    {
        if(matrix[a] % 2 != 0)
        {
            oddNum[oddCtr] = matrix[a];
            oddCtr++;
        }
        a++;
    }

    while(b < arrSize)
    {
        if(matrix[b] % 2 == 0)
        {
            evenNum[evenCtr] = matrix[b];
            evenCtr++;
        }
        b++;
    }

    for(int c = 1; c <= oddCtr - 1; c++)
    {
        for(int d = 0; d < oddCtr - c; d++)
        {
            if(oddNum[d] > oddNum[d+1])
            {
                temp = oddNum[d+1];
                oddNum[d+1] = oddNum[d];
                oddNum[d] = temp;
            }
        }
    }

    for(int c = 1; c <= evenCtr - 1; c++)
    {
        for(int d = 0; d < evenCtr - c; d++)
        {
            if(evenNum[d] < evenNum[d+1])
            {
                temp = evenNum[d+1];
                evenNum[d+1] = evenNum[d];
                evenNum[d] = temp;
            }
        }
    }

    for(int e = 0; e <= evenCtr-1; e++)
    {
        matrix[e] = evenNum[e];
    }

    int g = 0;
    int k = evenCtr;
    while(k < arrSize)
    {
        matrix[k] = oddNum[g];
        k++;
        g++;
    }

    for(int j = 0; j < arrSize; j++)
    {
        cout << matrix[j] << " ";
    }

    cout << endl;
}

/*
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Creates and array with random numbers and sorts them in even numbers in decresing order followed by odd numbers in increasing order
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*/