checkerAta

struct Point {
    double x, y;
};
int T, n, width, height;
ordered_set<int> st; // Policy-based DS https://codeforces.com/blog/entry/11080

double dist(Point& point, Point& checker) {
    return sqrt((point.x - checker.x) * (point.x - checker.x) + (point.y - checker.y) * (point.y - checker.y));
}

int main() {

    cin >> width >> height >> n;
    vector<Point> points(n);
    for (int i = 0; i < n; ++i) {
       cin >>  points[i].x >> points[i].y;
    }

    Point checker{3.28, 2.35};
    Point expected{4.0, 2.0};

    double min_dist = INT_MAX / 10;
    for (auto& point: points)
        min_dist = min(min_dist, dist(point, checker));

    cout << "Obtained: " << min_dist << '\n';

    double min_exp_dist = INT_MAX / 10;
    for (auto& point: points)
        min_exp_dist = min(min_exp_dist, dist(point, expected));

    cout << "But expected: " << min_exp_dist << '\n';

    return 0;
}