Помогите решить задачу по информатике 10 класс

#include <iostream>
using namespace std;
class Point {
public:
Point() : x_(0), y_(0) {}
Point(double x, double y) : x_(x), y_(y) {}
double x()const { return x_; }
double y()const { return y_; }
double radius()const { return sqrt(x_ * x_ + y_ * y_); }
double radius(double dx, double dy)const {
return sqrt(pow(x_ + dx, 2) + pow(y_ + dy, 2));
}
private:
double x_;
double y_;
};
struct Field {
Field() : first(0), second(0), third(0), fourth(0) {}
unsigned short first : 1;
unsigned short second : 1;
unsigned short third : 1;
unsigned short fourth : 1;
friend ostream& operator<<(ostream& out, const Field& field) {
out << field.first << field.second << field.third << field.fourth;
return out;
}
};
class Position {
public:
using spot = bool (*)(const Point& point);
Position(const Point& point) : point_(point) {}
Field get()const { return field_; }
void first(spot func) { if (func(point_)) field_.first = 1; }
void second(spot func) { if (func(point_)) field_.second = 1; }
void third(spot func) { if (func(point_)) field_.third = 1; }
void fourth(spot func) { if (func(point_)) field_.fourth = 1; }
private:
Point point_;
Field field_;
};
int main() {
auto f1 = [](const Point& p) { return p.y() < 1; };
auto f2 = [](const Point& p) { return p.y() < -p.x(); };
auto f3 = [](const Point& p) { return p.radius() < 1; };
auto f4 = [](const Point& p) { return p.radius(-1, -1) < 1; };
double x, y;
cin >> x >> y;
Point point(x, y);
Position position(point);
position.first(f1);
position.second(f2);
position.third(f3);
position.fourth(f4);
cout << position.get() << '\n';
system("pause");
}