P6.18 P72570 P0020. El rellotge de l'Amalia

#include <iostream>
using namespace std;


void llegeix_hora(int&h, int&m, int&s) {
        //hores
        int auxh = h;
        h = 0;
        int mult = 1;
        while (auxh != 0) {
                if (auxh%10 == 1) h = h + mult;
                mult = mult*2;
                auxh = auxh/10;
        }
        //minuts
        int auxm = m;
        m = 0;
        mult = 1;
        while (auxm != 0) {
                if (auxm%10 == 1) m = m + mult;
                mult = mult*2;
                auxm = auxm/10;
        }
        //segons
        int auxs = s;
        s = 0;
        mult = 1;
        while (auxs != 0) {
                if (auxs%10 == 1) s = s + mult;
                mult = mult*2;
                auxs = auxs/10;
        }
}

void escriu_hora(int h, int m, int s) {
        cout << h << ":" << m << ":" << s << endl;
}

//Pre: Llegeig una seqüčncia n de codificacions d'hora binaries on * és 1 i $ és 0
//Post: Escriu l'hora en el format convencional
int main() {
        int n;
        cin >> n;
        char c;
        while (n != 0) {
                int count = 3;
                int hms = 1;
                int h = 0, m = 0, s = 0;
                cin >> c;
                --count;
                while (count >= 0) {
                        int mult = 1;
                        while (cin >> c && c != '|') {
                                int i;
                                if (c == '*') i = 1;
                                else if (c == '$') i = 0;
                                if (hms == 1) {
                                        h = (h * mult) + i;
                                }
                                else if (hms == 2) {
                                        m = (m * mult) + i;
                                }
                                else if (hms == 3) {
                                        s = (s * mult) + i;
                                }
                                mult = 10;
                        }
                        --count;
                        ++hms;
                }
                llegeix_hora(h, m, s);
                escriu_hora(h, m, s);
                --n;
        }
}