02. Bonus Score

#include <iostream>

using namespace std;

int main() {
    int number;
    cin >> number;

    double bonus = 0;

    if (number <= 100) {
        bonus = 5;
    }
    else if (number > 1000) {
        bonus = number * 0.1;
    }
    else {
        bonus = number * 0.2;
    }

    if (number % 2 == 0) {
        bonus++;
    }
    else if (number % 10 == 5) {
        bonus += 2;
    }

    cout << bonus << endl;
    cout << bonus + number << endl;

    return 0;
}

Решение с тернарен оператор:

#include <iostream>

using namespace std;

int main() {
    int number;
    cin >> number;

    double bonus = 0;

    bonus +=
        number <= 100 ? 5 :
        number > 1000 ? number * 0.1 : number * 0.2;

    bonus +=
        number % 2 == 0 ? 1 :
        number % 10 == 5 ? 2 : 0;

    cout << bonus << endl << bonus + number << endl;

    return 0;
}