#include <iostream>
using namespace std;
const int ARR_CAPACITY = 100;

void add_element (int *arr, int &size, int value)
{
    if (size < ARR_CAPACITY)
    {
        arr[size] = value;
        size++;
    }
};

void remove_from_back (int *arr, int &size)
{
    if (size > 0)
    {
        size--;
    }
}

void print (int *arr, int size)
{
    for (int i=0; i<size; i++) cout << arr[i] << " ";
    cout << endl;
};

int main()
{
    int arr[ARR_CAPACITY];
    int arr_size=0;
    add_element (arr, arr_size, 11);
    add_element (arr, arr_size, 22);
    add_element (arr, arr_size, 33);
    add_element (arr, arr_size, 44);
    print (arr, arr_size);
    remove_from_back (arr, arr_size);
    print (arr, arr_size);
    system ("pause");
    return 0;
}