P6.06 P57515 P0019. Rotacions cap a la dreta

#include <iostream>
#include <cmath>
using namespace std;

int rotacio_dreta(int x, int k) {
    int digits=0;
    for (int x2=x;x2>0;x2=x2/10) digits++;
    for (k; k>0; k--) {
        int lastdig=x%10;
        x=x/10;
        x=x+(lastdig*pow(10,(digits-1)));
    }
    return x;
}
int main() {
    int number,rotations;
    while(cin>>number>>rotations) cout<<rotacio_dreta(number,rotations)<<endl;
}