[Kolokviumska] Zadaca 1

#include <stdio.h>
#include <stdlib.h>

int sum_pos(int *niza, int ind, int n) {
    int result = 0, i = ind > n ? n : ind;
    for(; i < n; ++i) {
        result += *(niza+i);
    }
    return result;
}

int main()
{
    int n, ind, i;
    scanf("%d", &n);

    int niza[n];

    for(i = 0; i < n; ++i) {
        scanf("%d", &niza[i]);
    }

    scanf("%d", &ind);

    printf("%d", sum_pos(niza, ind, n));
    return 0;
}