#include using namespace std; class Point { private: int x, y, z; public: Point() {} Point(int _x, int _y, int _z) { x = _x; y = _y; z = _z; } Point operator + (Point tmp) { Point result(x + tmp.x, y + tmp.y, z + tmp.z); return result; } Point operator - (Point tmp) { Point result(x - tmp.x, y - tmp.y, z - tmp.z); return result; } Point operator * (Point tmp) { Point result(x * tmp.x, y * tmp.y, z * tmp.z); return result; } Point operator / (Point tmp) { Point result(x / tmp.x, y / tmp.y, z / tmp.z); return result; } bool operator == (Point tmp) { if(x == tmp.x and y == tmp.y and z == tmp.z) { return true; } else { return false; } } bool operator != (Point tmp) { if(x != tmp.x or y != tmp.y or z != tmp.z) { return true; } return false; } bool operator < (Point tmp) { if(x < tmp.x and y < tmp.y and z < tmp.z) { return true; } return false; } bool operator <= (Point tmp) { if(x <= tmp.x and y <= tmp.y and z <= tmp.z) { return true; } return false; } bool operator > (Point tmp) { if(x > tmp.x and y > tmp.y and z > tmp.z) { return true; } return false; } bool operator >= (Point tmp) { if(x >= tmp.x and y >= tmp.y and z >= tmp.z) { return true; } return false; } }; int main() { Point p(1, 2, 3); Point p2(2, 4, 5); Point s1 = p + p2; Point s2 = p - p2; Point s3 = p * p2; Point s4 = p / p2; if(s1 > s2) { cout << "DA" << endl; } return 0; }