#include <iostream>
using namespace std;
template<typename T>
void push_back(T ** array, T buffer, int array_size)
{
   const int size = array_size + 1;
    T* inside_array = new T[size];
    for (int i = 0; i < array_size; i++)
        inside_array[i] = (*array)[i];
    inside_array[array_size] = buffer;
    if (array_size >= 100)
    {
        throw 1;
    }
}

int main()
{
    int array_size;
    cout << "Размер массива: ";
    cin >> array_size;
    int* array = new int[array_size];
    for (int i = 0; i < array_size; i++)
    {
        array[i] = i + 1;
        cout << array[i] << " ";
    }
    int buffer;
    cout << "nДобавить элемент: ";
    cin >> buffer;
    try
    {
        push_back(&array, buffer, array_size);
    }
    catch (int e)
    {
        cout << "ошибка №: " << e << endl;
    }
    for (int i = 0; i < array_size + 1; i++)
    {
        cout << array[i] << " ";
    }
    return 0;
}