Here is a definition of a class called Pairs. Objects of type Pairs can be
used in any situation where ordered pairs are needed. Your task is to write implementations of the overloaded operator >> and the overloaded operator << so that objects of class Pairs are to be input and output in the form
(5,6) (5,-4) (-5,4) or (-5,-6). You need not implement any constructor
or other member, and you need not do any input format checking.
#include <iostream>
using namespace std;
class Pairs
{
public:
Pairs( );
Pairs(int first, int second);
//other members and friends
friend istream& operator>> (istream& ins, Pairs& second);
friend ostream& operator<< (ostream& outs,
const Pairs& second);
private:
int f;
int s;
};
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