---

#include <stdio.h>
#include "data_io.h"

void input(double *data, int n)
{
    for (int i = 0; i < n; i++)
    {
        scanf("%lf", &data[i]);
    }
}

void output(double *data, int n)
{
    for (int i = 0; i < n; i++)
    {
        printf("%.2lf", data[i]);
        if (i < n - 1)
            printf(" ");
    }
}