Необьяснимое поведение cin.get()

#include <iostream>
#include <string>
using namespace std;
#include <process.h>           //for exit()
const max=80;
////////////////////////////////////////////////////////////////
class publication
{
    private:
    char title[max];
    float coast;

    public:
        void getdata()
        {
        cout << "Title: "; cin.get(title,max);
        cout << "Coast: "; cin >> coast;
        }

        void putdata()const
        {
        cout << "Title: " << title << endl;
        cout << "Coast: " << coast << endl;
        }
};

class book: public publication
{
private:
    int page;
public:
    void getdata()
    {
    publication::getdata();
    cout << "Page: "; cin >> page;
    }

    void putdata()const
    {
    publication::putdata();
    cout << "Page: " << page << endl;
    }

};

class type: public publication
{
private:
    float rec;
public:
    void getdata()
    {
    publication::getdata();
    cout << "Type: "; cin >> rec;
    }

    void putdata()const
    {
    publication::putdata();
    cout << "Type: " << rec;
    }

};
////////////////////////////////////////////////////////////////
int main()
    {

    book one;
    type two;
    one.getdata();
    two.getdata();
    one.putdata();
    two.putdata();

    cout << endl;

    return 0;
    }

// ex9_1.cpp
// publication class and derived classes
#include <iostream>
#include <string>
using namespace std;
////////////////////////////////////////////////////////////////
class publication                     // base class
   {
   private:
      string title;
      float price;
   public:
      void getdata()
         {
         cout << "\nEnter title: "; cin >> title;
         cout << "Enter price: "; cin >> price;
         }
      void putdata() const
         {
         cout << "\nTitle: " << title;
         cout << "\nPrice: " << price;
         }
   };
////////////////////////////////////////////////////////////////
class book : private publication      // derived class
   {
   private:
      int pages;
   public:
      void getdata()
         {
         publication::getdata();
         cout << "Enter number of pages: "; cin >> pages;
         }
      void putdata() const
         {
         publication::putdata();
         cout << "\nPages: " << pages;
         }
   };
////////////////////////////////////////////////////////////////
class tape : private publication      // derived class
   {
   private:
      float time;
   public:
      void getdata()
         {
         publication::getdata();
         cout << "Enter playing time: "; cin >> time;
         }
      void putdata() const
         {
         publication::putdata();
         cout << "\nPlaying time: " << time;
         }
   };
////////////////////////////////////////////////////////////////
int main()
   {
   book book1;                        // define publications
   tape tape1;

   book1.getdata();                   // get data for them
   tape1.getdata();

   book1.putdata();                   // display their data
   tape1.putdata();
   cout << endl;
   return 0;
   }