work

#include <iostream>
#include <cstdlib>

using namespace std;

template <class T>
T get_sum (T *arr, const size_t size)
{
    T sum = 0;
    for (size_t i = 0; i < size; i++)
        if (arr[i] > 10)
            sum += arr[i];
    return sum;
}

int main (void)
{
    const size_t arr_size = 5;
    int *val = new int[arr_size];

    for (size_t i = 0; i < 5; i++)
    {
        cout << "enter the value: ";
        cin >> val[i];
    }

    cout << "sum: " << get_sum(val, arr_size);
    delete [] val;
    val = NULL;

    system("pause > nul");
    return 0;
}