07. Password Validator

#include <iostream>
#include <cctype>

using namespace std;

bool digitChecker(string s) {
    int digitCount = 0;
    for (int i = 0; i < s.length(); i++) {
        if (isdigit(s[i])) {
            digitCount++;
        }
    }
    return digitCount >= 2;
}

bool symbolChecker(string s) {
    for (int i = 0; i < s.length(); i++) {
        if (!isalnum(s[i])) {
            return false;
        }
    }
    return true;
}

bool lengthChecker(string s) {
    return s.length() >= 6 && s.length() <= 10;
}

int main() {
    string password;
    cin >> password;

    if (lengthChecker(password) && symbolChecker(password) && digitChecker(password)) {
        cout << "Password is valid" << endl;
    }
    else {
        if (!lengthChecker(password)) {
            cout << "Password must be between 6 and 10 characters" << endl;
        }
        if (!symbolChecker(password)) {
            cout << "Password must consist only of letters and digits" << endl;
        }
        if (!digitChecker(password)) {
            cout << "Password must have at least 2 digits" << endl;
        }
    }
    return 0;
}

ИЛИ ТАРИКАТСКАТА С ТЕРНАРЕН ОПЕРАТОР :)

#include <iostream>
#include <cctype>

using namespace std;

int main() {
    string password;
    cin >> password;

    int symbols = 0, digits = 0;

    for (char p : password) {
        digits += (isdigit(p) ? 1 : 0);
        symbols += (!isalnum(p) ? 1 : 0);
    }

    if (password.length() >= 6 && password.length() <= 10 && symbols == 0 && digits >= 2) {
        cout << "Password is valid\n";
    }
    else {
        cout << (password.length() < 6 || password.length() > 10 ? "Password must be between 6 and 10 characters\n" : "");
        cout << (symbols > 0 ? "Password must consist only of letters and digits\n" : "");
        cout << (digits < 2 ? "Password must have at least 2 digits\n" : "");
    }
    return 0;
}