#include <ext/hash_map>
#include <iterator>
#define HASHMAP_PREFIX __gnu_cxx

using namespace std;
using namespace HASHMAP_PREFIX;




template<typename Key, typename Value>
class CHashMapTemp
{
public:
   CHashMapTemp(){}
   ~CHashMapTemp(){}

     Value Find(Key k)
    {
                  //*********  问题所在
        HASHMAP_PREFIX::hash_map<Key, Value>::iterator it = m_HashMap.find(k);//问题就出在这行
      
          return (Value)NULL;

    }

private:
protected:
    HASHMAP_PREFIX::hash_map<Key, Value>    m_HashMap;
};