typedef struct
{
    char car_name[25];
    char color[20];
    float km;
}car;

void get_data(car [], int);
void print_all(car [], int);
void main(void)
{
    int num;
    car arr[N];
    printf("How many cars are in your shop?\n");
    while(scanf("%d",&num)!=1||num<=0||num>30)
    {
        printf("Error. The num must be between 1-30!\n");
        fflush(stdin);
    }
    get_data(arr, num);
    print_all(arr, num);
}

void get_data(car arr[],int num)
{
    int i;
    float x;
    for(i=0;i<num;i++)
    {
        fflush(stdin);
        printf("Enter mark of %d car:\n",i+1);
        gets(arr[i].car_name);
        printf("Enter color of %d car:\n",i+1);
        fflush(stdin);
        gets(arr[i].color);
        printf("Enter km of %d car:\n",i+1);
        scanf("%f",&x);
        arr[i].km=x;
    }
}

void print_all(car arr[], int num)
{
    int i;
    for(i=0;i<num;i++)
    {
        printf("Mark of %d car is: %s\n",i+1,arr[i].car_name);
        printf("Color of %d car is: %s\n",i+1,arr[i].color);
        printf("Km of %d car is: %.2f\n",i+1,arr[i].km);
    }
}