OPERATOR OVERLOADING IN C++

 #include<iostream>

using namespace std;

class complex

{

int r,i;

public:

complex()

{

r=0;

i=0;

}

complex( int a, int b)

{

r=a;

i=b;

}

complex operator+(complex);

void show();

};

complex complex::operator+(complex ob)

{

complex ob4;

ob4.r=r+ob.r;

ob4.i=i+ob.i;

return ob4;

}

void complex::show()

{

cout<<"\n"<<r;

cout<<"\n"<<i;

}

int main()

{

complex ob1(2,5);

complex ob2(10,20);

complex ob3;

ob3=ob1+ob2;

ob3.show();

return 0;

}