C++ Program For Arithmetic Operator Overloading for Primitive and Object

Program 1

//Binary Operator overloading 
//(Arithmetic operator for primitive and Object )
#include<iostream>
#define clrscr() system("cls")
using namespace std;
class Test
{
    int n;
    public:
    Test(int n)
    {
        this->n=n;
    }
    Test(){}
    friend Test operator+(int x,Test &k);
    friend Test operator-(int x,Test &k);
    friend Test operator*(int x,Test &k);
    friend Test operator/(int x,Test &k);
    friend Test operator%(int x,Test &k);
    void display();
};
void Test::display()
{
    cout<<"\n "<<n;
}
Test operator+(int x,Test &k)
{
       Test temp;
       temp.n=x+k.n;
       return temp;
}
Test operator-(int x,Test &k)
{
       Test temp;
       temp.n=x-k.n;
       return temp;
}
Test operator/(int x,Test &k)
{
       Test temp;
       temp.n=x/k.n;
       return temp;
}
Test operator*(int x,Test &k)
{
       Test temp;
       temp.n=x*k.n;
       return temp;
}
Test operator%(int x,Test &k)
{
       Test temp;
       temp.n=x%k.n;
       return temp;
}
int main()
{
      clrscr();
     Test T1(50);
     Test T2;
     T2=500+T1;   // T2=operator+(500,T1)
     T2.display();
     T2=500-T1;   // T2=operator-(500,T1)
     T2.display();
     T2=500*T1;   // T2=operator*(500,T1)
     T2.display();
     T2=500/T1;   // T2=operator/(500,T1)
     T2.display();
     T2=500%T1;   // T2=operator%(500,T1)
     T2.display();
}