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

int contarCifra(int n, int cifra) {

  if (n / 10 == 0) {
    if (n == cifra)
      return 1;
    return 0;
  }

  if (n % 10 == cifra)
    return contarCifra(n / 10, cifra) + 1;

  return contarCifra(n / 10, cifra);
}


int main () {

  vector<int> pruebas = {0, 95, 828, 9999};

  for (int i = 0; i < pruebas.size(); i++) {
    for (int cifra = 0; cifra <= 9; cifra++)
      cout << "contarCifra(" << pruebas[i] << "," << cifra <<  ") = " << contarCifra(pruebas[i], cifra) << endl;
    cout << endl;
  }

}