Re: Object Oriented Design Contest

#include <utility>
#include <iostream>
#include <string>
#include <map>

using namespace std;

class Bookz : public map<string, string>
{

public:
    Bookz() {
     cout << "Welcome to the database. Enter information, and type 'end'
to stop."<< endl;
     cout << "Name: ";
     }
   void add(string name, string number){
    typedef pair <string, string> b_Pair;
    insert( b_Pair(name, number) );
   }
    ~Bookz(){}
    void search_Name(string lookup_Num){
        map <string, string> :: const_iterator b_Name;
        b_Name = find(lookup_Num);
        cout << b_Name -> second << "." << endl;
                       }
};

int main( void ) {
  Bookz keeper;

   string s="";
      string n="";
   while (s!="end" || n!="end")
   {
         cin >> s;
          if(s=="end")
      {
        cout <<"Finished inputing data."<<endl<<endl;
        break;
      }
          cout<<"Number: ";
         cin >> n;
          if(n=="end")
      {
        cout <<"Finished inputing data."<<endl<<endl;
        break;
      }
          keeper.add(s,n);
          cout <<"Name: ";
      }
     cout << "To search the...r. 'quit' exists."<< endl;
   while (s != "quit")
   {
       cout<<"$ ";
           cin >> s;
           keeper.search_Name(s);
        }

      if (s == "quit")
   {
        cout<<"Goodbye."<<endl;;
   }
    }