04. Personal Titles

#include <iostream>

using namespace std;

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

    string gender;
    cin >> gender;

    if (age < 16) {
        if (gender == "m") {
            cout << "Master" << endl;
        }
        else if (gender == "f") {
            cout << "Miss" << endl;
        }
    }
    else {
        if (gender == "m") {
            cout << "Mr." << endl;
        }
        else if (gender == "f") {
            cout << "Ms." << endl;
        }
    }

    return 0;
}

Решение с тернарен оператор:

#include <iostream>

using namespace std;

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

    string gender;
    cin >> gender;

    cout << (age < 16 ? gender == "m" ? "Master" : "Miss" : gender == "m" ? "Mr." : "Ms.") << endl;

    return 0;
}