operator >>

// 1.h
#ifndef STONEWT_H_
#define STONEWT_H_
using std::cout;
using std::cin;
using std::endl;
class Stonewt
{
private:
    enum {Lbs_per_stn = 14};      // pounds per stone
    int stone;                    // whole stones
    double pds_left;              // fractional pounds
    double pounds;                // entire weight in pounds
public:
    Stonewt(double lbs);          // constructor for double pounds
    Stonewt(int stn, double lbs); // constructor for stone, lbs
    Stonewt();                    // default constructor
    ~Stonewt();
    friend std::ostream & operator<<(std::ostream & os, const Stonewt & a);
    friend std::istream & operator>>(std::istream & is, const Stonewt & a);
    bool operator < (Stonewt&);
    bool operator > (Stonewt&);
    bool operator == (Stonewt&);
    bool operator != (Stonewt&);
    bool operator <= (Stonewt&);
    bool operator >= (Stonewt&);
};
#endif

// opred.cpp
#include <iostream>
using std::cout;
#include "1.h"
Stonewt::Stonewt(double lbs)
{
    stone = int (lbs) / Lbs_per_stn;    // integer division
    pds_left = int (lbs) % Lbs_per_stn + lbs - int(lbs);
    pounds = lbs;
}
Stonewt::Stonewt(int stn, double lbs)
{
    stone = stn;
    pds_left = lbs;
    pounds =  stn * Lbs_per_stn +lbs;
}
 
Stonewt::Stonewt()          // default constructor, wt = 0
{
    stone = pounds = pds_left = 0;
}
 
Stonewt::~Stonewt()         // destructor
{
}
bool Stonewt::operator < (Stonewt & a)
{ return (pounds<a.pounds);}
bool Stonewt::operator > (Stonewt& a)
{ return (pounds>a.pounds);}
bool Stonewt::operator == (Stonewt& a)
{return (pounds==a.pounds);}
bool Stonewt::operator != (Stonewt& a)
{return (pounds!=a.pounds);}
bool Stonewt::operator <= (Stonewt& a)
{return (pounds<=a.pounds);}
bool Stonewt::operator >= (Stonewt& a)
{return (pounds>=a.pounds);}
std::istream & operator>>(std::istream & is, const Stonewt& a)
{
    cout<<"Vvedute pounds: \n";
    is>>a.pounds;
    is.get();
    return is;
}
std::ostream & operator<<(std::ostream & os, const Stonewt & a)
{
    os<<a.pounds<<endl;
    return os;
}

#include <iostream>
#include "1.h"
int main()
{
    Stonewt ar[6]={223,1234,299};
    int i;
    for(i=3;i<6;i++)
    {
        cin>>ar[i];
        cin.get();
    }
    Stonewt max=ar[0];
    for(i=0;i<6;i++)
    {
        if(ar[i]>max)
            max=ar[i];
    }
    Stonewt min=ar[0];
    {
        if(ar[i]<min)
            min=ar[i];
    }
    int sled=0;
    Stonewt ar11=154;
    for(i=0;i<6;i++)
    {
        if(ar[i]>=ar11)
            sled++;
    }
    cout<<endl;
    cout<<"Max: "<<max<<endl;
    cout<<"Min: "<<min<<endl;
    cout<<"Kol-vo elementov >= 11 stone: "<<sled<<endl;
    system("PAUSE");
    return 0;
}

std::istream & operator>>(std::istream & is, Stonewt& a)
{
    cout<<"Vvedute pounds: \n";
    is>>a.pounds;
    is.get();
    return is;
}