c++

//Lopputyö


#include <iostream>
using namespace std;

int roomnumber;
int amountofnights;

int room;
int totalvisitors;
int totalcost = 0;
char answer;
const int maxrooms = 15;
const int minrooms = 0;

bool rooms[maxrooms];
int main()
{
    answer = 'y';
    for(int i=0; i<=maxrooms; i++){
         rooms[i] = false;
        }

    while (answer = 'y')
    {
        cout << "Rooms currenntly available\n";
        for(int i=0; i<maxrooms; i++){
            if(rooms[i] == false){
                cout << i << " ";
            }
        }

        int roomnumber = 0;
        cout << "\n\nWhich room would you like to book? ";
        cin >> roomnumber;

        while(roomnumber >= maxrooms || roomnumber < minrooms){
        cout << "Please enter a valid room number!\n";
        cout << "Which room would you like to book? ";
        cin >> roomnumber;
        }

        if(rooms[roomnumber] == true){
            cout << "This room is already booked! Would you like to try to book another room? (y/n) ";
            cin >> answer;
        }

        if(rooms[roomnumber] == false)
        {
            cout << "How many nights will you be staying?";
            cin >> amountofnights;
            totalvisitors = amountofnights;
            rooms[roomnumber] = true;

            cout << "Room " << roomnumber << " booked for " << amountofnights << ". Cost so far: ";
            totalcost += (totalvisitors * 100);
            cout << totalcost << "\n\n";

        cout << "Would you like to book another room? (y/n) ";
        cin >> answer;
        if(answer == 'n') break;
        }

    }

    cout << "Room booking is finished! Total cost: " << totalcost;

system("PAUSE");
return 0; }