#include <stdio.h>
#include <omp.h>

int main() {
    int n;

    printf("Enter number of elements: ");
    scanf("%d", &n);

    int arr[n];

    printf("Enter %d elements:\n", n);
    for (int i = 0; i < n; i++)
        scanf("%d", &arr[i]);

    long long sum = 0;

    // Parallel for with reduction on sum
    #pragma omp parallel for reduction(+:sum)
    for (int i = 0; i < n; i++) {
        sum += arr[i];
    }

    printf("Parallel sum (OpenMP) = %lld\n", sum);
    return 0;
}