05. Salary

#include <iostream>

using namespace std;

int main() {
    int tabs, salary;
    cin >> tabs >> salary;

    string apps;

    for (int i = 0; i < tabs && salary > 0; i++) {
        cin >> apps;

        if (apps == "Facebook") {
            salary -= 150;
        }
        else if (apps == "Instagram") {
            salary -= 100;
        }
        else if (apps == "Reddit") {
            salary -= 50;
        }
    }

    if (salary > 0) {
        cout << salary << endl;
    }
    else {
        cout << "You have lost your salary." << endl;
    }

    return 0;
}

Решение с тернарен оператор:

#include <iostream>
#include <string>

using namespace std;

int main() {
    int tabs, salary;
    cin >> tabs >> salary;

    string apps;

    for (int i = 0; i < tabs && salary > 0; i++) {
        cin >> apps;

        salary -=
            apps == "Facebook" ? 150 :
            apps == "Instagram" ? 100 :
            apps == "Reddit" ? 50 : 0;
    }

    cout << (salary > 0 ? to_string(salary) : "You have lost your salary.") << endl;

    return 0;
}