include iostream using namespace std int sum int array int key if key

#include <iostream>

using namespace std;

int sum(int *array, int key) {
    if (key == 0) {
        return 0;
    } else {
        return *array + sum(array + 1, key - 1);
    }
}

int main() {
    int dimension;

    printf("Enter the dimension of the array: ");

    cin >> dimension;

    int array[dimension];

    for (int i = 0; i < dimension; i++) {
        printf("Enter the value of element %d of the array: ", i);
        cin >> array[i];
    }

    printf("The sum of the array = %d", sum(array, dimension));

    return 0;
}