66 1 (14)

#include <iostream>
#include <fstream>
#include <string>
#include <ctime>
#include <random>

using namespace std;


ifstream fin("input.txt");

double sqr(double a) { return a * a; }


struct Point
{
    double x;
    double y;
    void readPoint()
    {
        fin >> x >> y;
    }
    void printPoint()
    {
        cout << x << ' ' << y << endl << endl;
    }
};

double getRange(Point a, Point b)
{
    return sqr(a.x - b.x) + sqr(a.y - b.y);
}

const int N = 10;//array size;
int main()
{
    Point a[N];
    int n; fin >> n;
    for (int i = 0; i < n; ++i)
        a[i].readPoint();
    Point ans;
    double ansRange = -1;
    for (int i = 0; i < n; ++i) {
        double currentRange = 0;
        for (int j = 0; j < n; ++j)
            currentRange += getRange(a[i], a[j]);
        if (currentRange > ansRange)
        {
            ansRange = currentRange;
            ans = a[i];
        }
    }
    cout << "answer: " << ans.x << ' ' << ans.y << endl;
    return 0;
}
/*
example
3

1 2
3 5
-3 -5


answer : 1 2
*/