#include <iostream>
using namespace std;
class three_d {
int x, y, z;
public:
three_d() { x = y = z = 0; }
three_d(int i, int j, int k) { x = i; y = j; z = k; }
three_d operator()(three_d obj);
three_d operator()(int a, int b, int c);
friend ostream &operator<<(ostream &strm, three_d op);
};
three_d three_d::operator()(three_d obj)
{
three_d temp;
temp.x = (x + obj.x) / 2;
temp.y = (y + obj.y) / 2;
temp.z = (z + obj.z) / 2;
return temp;
}
three_d three_d::operator()(int a, int b, int c)
{
three_d temp;
temp.x = x + a;
temp.y = y + b;
temp.z = z + c;
return temp;
}
ostream &operator<<(ostream &strm, three_d op) {
strm << op.x << ", " << op.y << ", " << op.z << endl;
return strm;
}
int main()
{
three_d objA(1, 2, 3), objB(10, 10, 10), objC;
cout << "This is objA: " << objA;
cout << "This is objB: " << objB;
objC = objA(objB);
cout << "objA(objB): " << objC;
objC = objA(10, 20, 30);
cout << "objA(10, 20, 30): " << objC;
objC = objA(objB(100, 200, 300));
cout << "objA(objB(100, 200, 300)): " << objC;
return 0;
}
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