#include <iostream>
using namespace std;

int main()
{
    const int size = 7;
    int arr[size]{ 12, -5, 6, 7, 45, -6, 78 };

    int* pI = arr;
    int sum = 0;

    cout << "Arr: ";
    for (int i = 0; i < size; ++i) {
        cout << arr[i] << "   ";
    }
    cout << "\n";

    for (int i = size; i > 0; --i, ++pI) {
        sum += *pI;
    }

    cout << "Suma = " << sum << endl;

    return 0;
}