#include <cstdio>
#include <cassert>

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

#define x first
#define y second

using namespace std;

typedef pair<double, double> Point;

class Line {
  public:
    double a, b, c;

    Line(const double _a = 0.0, const double _b = 0.0, const double _c = 0.0):
      a(_a),
      b(_b),
      c(_c) {}

    Line(const Point &p1, const Point &p2):
      a(p1.y - p2.y),
      b(p2.x - p1.x),
      c(p1.x * p2.y - p1.y * p2.x) {}
};

vector<Line> Plane;
vector<Point> Points;
vector<double> Areas;

inline double Det(const Point &a, const Point &b, const Point &c) {
    return (b.x - a.x) * (c.y - a.y) - (b.y - a.y) * (c.x - a.x);
}

class Compare {
  public:
    static Point origin;

    bool operator()(const Point &a, const Point &b) const {
        return Det(origin, a, b) >= 0;
    }
};

Point Compare::origin;

vector<Point> ConvexHull(vector<Point> points) {
    int n = int(points.size());
    int origin = 0;
    for (int i = 1; i < n; ++i)
        if (points[i] < points[origin])
            origin = i;
    swap(points[0], points[origin]);
    Compare::origin = points[0];
    sort(points.begin() + 1, points.end(), Compare());
    points.push_back(points[0]);
    vector<Point> hull;
    for (int i = 0; i < int(points.size()); ++i) {
        while (int(hull.size()) > 1 && Det(hull[int(hull.size()) - 2], hull[int(hull.size()) - 1], points[i]) < 0)
            hull.pop_back();
        hull.push_back(points[i]);
    }
    hull.pop_back();
    return hull;
}

inline Point Dualize(const Line &l) {
    if (l.c == 0)
        return Point(0, 0);
    else
        return Point(l.a / l.c, l.b / l.c);
}

inline Line Dualize(const Point &p) {
    return Line(p.x, p.y, 1);
}

inline Point Translate(const Point &p, const Point &shift) {
    return Point(p.x + shift.x, p.y + shift.y);
}

inline Line Translate(const Line &l, const Point &shift) {
    return Line(l.a, l.b, l.c - l.a * shift.x - l.b * shift.y);
}

vector< vector<Point> > GetVoronoiDiagrams(const vector<Line> &plane, const vector<Point> &points) {
    int n = int(points.size());
    vector< vector<Point> > voronoiDiagrams = vector< vector<Point> >(n, vector<Point>());
    for (int i = 0; i < n; ++i) {
        Point shift = Point(-points[i].x, -points[i].y);
        vector<Point> dualizedLines;
        for (int j = 0; j < int(plane.size()); ++j)
            dualizedLines.push_back(Dualize(Translate(plane[j], shift)));
        for (int j = 0; j < n; ++j) {
            if (i != j) {
                Point a = points[i], b = points[j];
                dualizedLines.push_back(Dualize(Translate(Line(2 * (b.x - a.x), 2 * (b.y - a.y), a.x * a.x + a.y * a.y - b.x * b.x - b.y * b.y), shift)));
            }
        }
        vector<Point> hull = ConvexHull(dualizedLines);
        for (int j = 0; j < int(hull.size()); ++j)
            voronoiDiagrams[i].push_back(Translate(Dualize(Line(hull[j], hull[(j + 1) % int(hull.size())])), points[i]));
    }
    return voronoiDiagrams;
}

inline double GetArea(const vector<Point> &polygon) {
    int n = int(polygon.size());
    double area = 0.0;
    for (int i = 0; i < n; ++i)
        area += polygon[i].x * polygon[(i + 1) % n].y - polygon[(i + 1) % n].x * polygon[i].y;
    area /= 2.0;
    if (area < 0.0)
        area = -area;
    return area;
}

void Solve() {
    vector< vector<Point> > voronoi = GetVoronoiDiagrams(Plane, Points);
    Areas = vector<double>(int(Points.size()), 0.0);
    for (int i = 0; i < int(Points.size()); ++i)
        Areas[i] = GetArea(voronoi[i]);
}

bool Read() {
    int n, m;
    cin >> n >> m;
    if (n == 0 && m == 0)
        return false;
    vector<Point> planePolygon = vector<Point>(n);
    for (int i = 0; i < n; ++i)
        cin >> planePolygon[i].x >> planePolygon[i].y;
    Plane = vector<Line>(n);
    for (int i = 0; i < n; ++i)
        Plane[i] = Line(planePolygon[i], planePolygon[(i + 1) % n]);
    Points = vector<Point>(m);
    for (int i = 0; i < m; ++i)
        cin >> Points[i].x >> Points[i].y;
    return true;
}

void Print() {
    for (int i = 0; i < int(Points.size()); ++i)
        printf("%.7lf\n", Areas[i]);
}

int main() {
    while (Read()) {
        Solve();
        Print();
    }
    return 0;
}

Measured memory_bytes: 1276