06. Truck Driver

#include <iostream>
#include <iomanip>

using namespace std;

int main() {
    const int MONTHS_OF_SEASON = 4;
    const double TAX_PROFIT_IN_PERCENTAGE = 0.10;

    string season;
    cin >> season;

    double kilometers;
    cin >> kilometers;

    double kilometerPrice;

    if (kilometers <= 5000) {
        if (season == "Spring" || season == "Autumn") {
            kilometerPrice = 0.75;
        }
        else if (season == "Summer") {
            kilometerPrice = 0.9;
        }
        else {
            kilometerPrice = 1.05;
        }
    }
    else if (kilometers <= 10000)
    {
        if (season == "Spring" || season == "Autumn") {
            kilometerPrice = 0.95;
        }
        else if (season == "Summer") {
            kilometerPrice = 1.10;
        }
        else {
            kilometerPrice = 1.25;
        }
    }
    else {
        kilometerPrice = 1.45;
    }

    double totalSum = kilometers * kilometerPrice * MONTHS_OF_SEASON * (1 - TAX_PROFIT_IN_PERCENTAGE);

    cout << fixed << setprecision(2) << totalSum << endl;

    return 0;
}

Решение с тернарен оператор:

#include <iostream>
#include <iomanip>

using namespace std;

int main() {
    const int MONTHS_OF_SEASON = 4;
    const double TAX_PROFIT_IN_PERCENTAGE = 0.10;

    string season;
    cin >> season;

    double kilometers;
    cin >> kilometers;

    double kilometerPrice =
        kilometers <= 5000 ? (season == "Spring" || season == "Autumn" ? 0.75 : season == "Summer" ? 0.90 : 1.05) :
        kilometers <= 10000 ? (season == "Spring" || season == "Autumn" ? 0.95 : season == "Summer" ? 1.10 : 1.25) : 1.45;

    double totalSum = kilometers * kilometerPrice * MONTHS_OF_SEASON * (1 - TAX_PROFIT_IN_PERCENTAGE);

    cout << fixed << setprecision(2) << totalSum << endl;

    return 0;
}