다음 C 코드를 실행했을 때의 결과를 소수 둘째 자리까지 쓰시오.

#include <stdio.h>

double mean_by_index(const int values[], int count) {
    int total = 0;
    for (int i = 0; i < count; ++i) total += values[i];
    return (double)total / count;
}
double mean_by_pointer(const int *first, const int *last) {
    int total = 0;
    const int *cursor = first;
    while (cursor < last) total += *cursor++;
    return (double)total / (last - first);
}
int main(void) {
    int scores[] = {62, 48, 71, 39, 55, 44, 68, 51, 37, 55};
    int size = (int)(sizeof(scores) / sizeof(scores[0]));
    printf("%.2f", mean_by_index(scores, size)
                     + mean_by_pointer(scores, scores + size));
    return 0;
}