Family Trip

#include <iostream>
#include <string>

using namespace std;

int main() {
    double budget;
    cin >> budget;

    int night;
    cin >> night;

    double nightPrice;
    cin >> nightPrice;

    int additionalCosts;
    cin >> additionalCosts;

    if (night > 7) {
        nightPrice *= 0.95;
    }

    budget -= nightPrice * night + 0.01 * budget * additionalCosts;

    if (budget >= 0) {
        printf("Ivanovi will be left with %.2f leva after vacation.\n", budget);
    }
    else {
        printf("%.2f leva needed.\n", abs(budget));
    }
    return 0;
}


Решение с тернарен оператор и леко тарикатската:)


#include <iostream>
#include <string>

using namespace std;

int main() {
    double budget, night, nightPrice, additionalCosts;
    cin >> budget >> night >> nightPrice >> additionalCosts;

    budget -= nightPrice * (night > 7 ? 0.95 : 1) * night + 0.01 * budget * additionalCosts;

    budget >= 0 ?
        printf("Ivanovi will be left with %.2f leva after vacation.\n", budget) :
        printf("%.2f leva needed.\n", abs(budget));

    return 0;
}