#include "oechem.h"
#include <iostream>

using namespace OESystem;
using namespace OEChem;
using namespace std;

unsigned int MyGetExplicitDegree(OEAtomBase *atm)
{
  OEIter<OEBondBase> bond;
  unsigned int result = 0;

  for (bond = atm->GetBonds(); bond; ++bond)
    ++result;
  return result;
}


int main() 
{
  int degree;
  OEMol mol;
  OEParseSmiles(mol, "c1ccccc1");
  
  OEIter<OEAtomBase> atom;
  for (atom=mol.GetAtoms();atom;++atom)
  {
    degree = MyGetExplicitDegree(atom);
    cout << "Atom " << atom->GetIdx() << " has degree " << degree << endl;
  }
  return 0;
}