#include <stdio.h>
#include "hotel.h"
int main()
{
    int nights;
    double hotel_rate;
    int code;
   
    while((code = menu()) != QUIT)
    {
        switch(code)
        {
            case 1: hotel_rate = HOTEL1;
                break;
            case 2:hotel_rate = HOTEL2;
                break;
            case 3: hotel_rate = HOTEL3;
                break;
            case 4: hotel_rate = HOTEL4;
                break;
            default:hotel_rate = 0.0;
                printf("Oops!\n");
                break;
               
        }
        nights = getnights();
        showprice(hotel_rate, nights);
    }
    printf("Thank you and goodbye.   ");
    return 0;
}
这个程序里#include "hotel.h"被提示错误,是设置问题还是运行环境不允许？

hotel.h是啥？你自己编的吗？

不好意思 理解错了书里的意思。现在已经解决了