---

#include "data_io.h"

#include <stdio.h>

int input(double *data, int n) {
    int result = 1;

    for (int i = 0; i < n && result; i++) {
        if (scanf("%lf", &data[i]) != 1) {
            result = 0;
        }
    }

    return result;
}

void output(double *data, int n) {
    for (int i = 0; i < n; i++) {
        if (i > 0) {
            printf(" ");
        }

        printf("%.2lf", data[i]);
    }
}