07. Hotel Room

#include <iostream>

using namespace std;

int main() {
    string month;
    cin >> month;

    int night;
    cin >> night;

    double apartmentPrice;
    double studioPrice;

    if (month == "May" || month == "October") {
        apartmentPrice = 65;
        studioPrice = 50;

        if (night > 7 && night <= 14) {
            studioPrice *= 0.95;
        }
        else if (night > 14) {
            studioPrice *= 0.70;
        }
    }
    else if (month == "June" || month == "September") {
        apartmentPrice = 68.70;
        studioPrice = 75.20;

        if (night > 14) {
            studioPrice *= 0.80;
        }
    }
    else if (month == "July" || month == "August") {
        apartmentPrice = 77;
        studioPrice = 76;
    }

    if (night > 14) {
        apartmentPrice *= 0.9;
    }

    cout.setf(ios::fixed);
    cout.precision(2);

    cout << "Apartment: " << apartmentPrice * night << " lv.\n" << "Studio: " << studioPrice * night << " lv.\n";

    return 0;
}

Решение с тернарен оператор:

#include <iostream>

using namespace std;

int main() {
    string month;
    cin >> month;

    int night;
    cin >> night;

    double apartmentPrice;
    double studioPrice;

    if (month == "May" || month == "October") {
        apartmentPrice = 65;
        studioPrice = 50 * (night > 7 && night <= 14 ? 0.95 : night > 14 ? 0.70 : 1);
    }
    else if (month == "June" || month == "September") {
        apartmentPrice = 68.70;
        studioPrice = 75.20 * (night > 14 ? 0.80 : 1);
    }
    else if (month == "July" || month == "August") {
        apartmentPrice = 77;
        studioPrice = 76;
    }
    apartmentPrice *= night > 14 ? 0.90 : 1;

    cout.setf(ios::fixed);
    cout.precision(2);

    cout << "Apartment: " << apartmentPrice * night << " lv.\n" << "Studio: " << studioPrice * night << " lv.\n";

    return 0;
}