67.cpp

// Write a Program to Overload Unary + and Unary - Operator.
#include<iostream>
using namespace std;

class IncreDecre
{
    int a,b;
public:
    void accept()
    {
        cout<< "Enter Two Numbers: " << endl;
        //cout<< " ";
        cin>> a;
        //cout<< " ";
        cin>> b;
    }
    void operator--() //Overload Unary Decrement
    {
        a--;
        b--;
    }
    void operator++() //Overload Unary Increment
    {
        a++;
        b++;
    }
    void display()
    {
        cout<< "\nA: " <<a;
        cout<< "\nB: " <<b;
    }
};

int main()
{
    IncreDecre id;
    id.accept();
    --id;
    cout<< "\nAfter Decrementing: ";
    id.display();
    ++id;
    ++id;
    cout<< "\n\nAfter Incrementing: ";
    id.display();
    return 0;
}