07. School Camp

#include <iostream>
#include <iomanip>

using namespace std;

int main() {
    string season, group;
    cin >> season >> group;

    int people, nights;
    cin >> people >> nights;

    double pricePerNight;
    string sport;

    if (season == "Winter") {
        if (group == "boys") {
            pricePerNight = 9.60;
            sport = "Judo";
        }
        else if (group == "girls") {
            pricePerNight = 9.60;
            sport = "Gymnastics";
        }
        else if (group == "mixed") {
            pricePerNight = 10;
            sport = "Ski";
        }
    }
    else if (season == "Spring") {
        if (group == "boys") {
            pricePerNight = 7.20;
            sport = "Tennis";
        }
        else if (group == "girls") {
            pricePerNight = 7.20;
            sport = "Athletics";
        }
        else if (group == "mixed") {
            pricePerNight = 9.50;
            sport = "Cycling";
        }
    }
    else {
        if (group == "boys") {
            pricePerNight = 15;
            sport = "Football";
        }
        else if (group == "girls") {
            pricePerNight = 15;
            sport = "Volleyball";
        }
        else if (group == "mixed") {
            pricePerNight = 20;
            sport = "Swimming";
        }
    }

    if (people >= 10 && people < 20) {
        pricePerNight *= 0.95;
    }
    else if (people >= 20 && people < 50) {
        pricePerNight *= 0.85;
    }
    else if (people >= 50) {
        pricePerNight *= 0.50;
    }

    double totalSum = pricePerNight * nights * people;

    cout << sport << " " << fixed << setprecision(2) << totalSum << " lv." << endl;

    return 0;
}

Решение с тернарен оператор:

#include <iostream>
#include <iomanip>

using namespace std;

int main() {
    string season, group;
    cin >> season >> group;

    int people, nights;
    cin >> people >> nights;

    double pricePerNight =
        season == "Winter" ? (group == "mixed" ? 10 : 9.60) :
        season == "Spring" ? (group == "mixed" ? 9.50 : 7.20) : (group == "mixed" ? 20 : 15);

    pricePerNight *=
        people >= 10 && people < 20 ? 0.95 :
        people >= 20 && people < 50 ? 0.85 :
        people >= 50 ? 0.50 : 1;

    string sport =
        season == "Winter" ? (group == "boys" ? "Judo" : group == "girls" ? "Gymnastics" : "Ski") :
        season == "Spring" ? (group == "boys" ? "Tennis" : group == "girls" ? "Athletics" : "Cycling") :
        (group == "boys" ? "Football" : group == "girls" ? "Volleyball" : "Swimming");

    double totalSum = pricePerNight * nights * people;

    cout << sport << " " << fixed << setprecision(2) << totalSum << " lv." << endl;

    return 0;
}