问查找最接近average -c的元素

EN

#include <stdio.h>
#include <math.h>
int main() {
    int A[50], n, k = 0, i = 0;
    double avg = 0;
    scanf_s("%d", &n);
    do {
        scanf_s("%d", &A[i]);
        avg += (double)A[i] / n;
    } while (++i < n);
    printf("\n%f\n", avg);
    for (i = 1; i < n; i++) {
        if (fabs(A[k] - avg) > fabs(A[i]) - avg) {
            k = i;
        }
    }
    printf("%d", A[k]);
    return 0;
}