#include <stdio.h>
#include <stdlib.h>
#include "car.h"
#include "plane.h"
#include "train.h"

int main(void)  {
    do
    {
    printf("Selections: 0: quit, 1: car, 2: train, 3: plane\n");
    printf("Select your traveling method:\n");

    int arvo;
    scanf("%d", &arvo);

    if (arvo == 0)  {
        exit(0);
    }
    else        {

    if (arvo == 1)  {
        printf("Give the distance in kilometers:\n");
        double distance;
        scanf("%.2lf", &distance);
        printf("The time required is %.2lf minutes.", car(distance));
    }

    if (arvo == 2)  {
        printf("Give the distance in kilometers:\n");
        double distance;
        scanf("%.2lf", &distance);
        printf("The time required is %.2lf minutes.", train(distance));
    }

    if (arvo == 3)  {
        printf("Give the distance in kilometers:\n");
        double distance;
        scanf("%.2lf", &distance);
        printf("The time required is %.2lf minutes.", plane(distance));
    }
 }
 } while (arvo != 0)
return 0;
}