P72570: 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 seqüència 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;
    }
}