Find with Iterators

 template<typename  T>
 typename  vector<T>::const_iterator
 find(const  vector<T>  &v,
                                         const  T  &value)
 {
     typename  vector<T>::const_iterator
                        b  =  v.begin(),  e  =  v.end();
     while  (  (b  !=  e)  &&  (*b  !=  value)  )
             ++b;
     return  b;
 }