Drill 28: Invalid input — Pointers and arrays

#include <stdio.h>

int sum(const int *values, size_t length) {
    int total = 0;
    for (size_t i = 0; i < length; i++) {
        total += values[i];
    }
    return total;
}

int main(void) {
    int scores[] = {8, 7, 9};
    printf("%d\n", sum(scores, 3));
    return 0;
}