05. Number 100...200

#include <iostream>

using namespace std;

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

    if (number < 100) {
        cout << "Less than 100" << endl;;
    }
    else if (number <= 200) {
        cout << "Between 100 and 200" << endl;;
    }
    else {
        cout << "Greater than 200" << endl;
    }

    return 0;
}

Решение с тернарен оператор:

#include <iostream>

using namespace std;

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

    cout << (number < 100 ? "Less than 100" : number <= 200 ? "Between 100 and 200" : "Greater than 200") << endl;

    return 0;
}