#include <algorithm>
#include <vector>
#include <iostream>
#include <cmath>

struct Point
{
    double x { };
    double y { };
};

double slope(Point const& p)
{
    return p.y / p.x;
}

std::istream& operator>>(std::istream& is, Point& p)
{
    return is >> p.x >> p.y;
}

std::ostream& operator<<(std::ostream& os, Point const& p)
{
    return os << "(" << p.x << ", " << p.y << ")";
}

int main()
{
    std::vector<Point> points { };
    std::cout << "Enter n: ";

    unsigned n { };
    std::cin >> n;

    std::cout << "Enter points: ";

    for (unsigned i { 0 }; i < n; ++i)
    {
        Point p { };
        std::cin >> p;
        points.push_back(p);
    }

    /* Lös uppgiften här */

}