P58653: Classificació de caràcters (2)

#include <iostream>
using namespace std;


void escriu_linia(char c, string s, bool b) {
    cout << s << "('" << c << "') = ";
    if (b) cout << "cert" << endl;
    else cout << "fals" << endl;
}

//Pre: Llegeix un caràter
//Post: El classifica segons el tipus
int main() {
    char in;
    cin >> in;
    if ('0' <= in and in <= '9') {
        escriu_linia(in, "lletra", false);
        escriu_linia(in, "vocal", false);
        escriu_linia(in, "consonant", false);
        escriu_linia(in, "majuscula", false);
        escriu_linia(in, "minuscula", false);
        escriu_linia(in, "digit", true);
    }
    else if (('A' <= in and in <= 'Z') or ('a' <= in and in <= 'z')) {
        escriu_linia(in, "lletra", true);
        bool vocals_minuscules = (in == 'a') or (in == 'e') or (in == 'i') or (in == 'o') or (in == 'u');
        bool vocals_majuscules = (in == 'A') or (in == 'E') or (in == 'I') or (in == 'O') or (in == 'U');
        if (vocals_minuscules or vocals_majuscules) {
            escriu_linia(in, "vocal", true);
            escriu_linia(in, "consonant", false);
        }
        else {
            escriu_linia(in, "vocal", false);
            escriu_linia(in, "consonant", true);
        }
        if ('A' <= in and in <= 'Z') {
            escriu_linia(in, "majuscula", true);
            escriu_linia(in, "minuscula", false);

        }
        else {
            escriu_linia(in, "majuscula", false);
            escriu_linia(in, "minuscula", true);
        }
        escriu_linia(in, "digit", false);
    }
    else {
        escriu_linia(in, "lletra", false);
        escriu_linia(in, "vocal", false);
        escriu_linia(in, "consonant", false);
        escriu_linia(in, "majuscula", false);
        escriu_linia(in, "minuscula", false);
        escriu_linia(in, "digit", false);
    }
}