#include<bits/stdc++.h>
using namespace std;

#define int long long
#define double long double
#define rep(i, n) for (int i = 0; i < (n); i++)
#define reps(i, n) for (int i = 1; i <= (n); i++)
#define all(x) (x).begin(), (x).end()
#define uniq(x) (x).erase(unique(all(x)), (x).end())
#define bit(n) (1LL << (n))
#define dump(x) cerr << #x " = " << (x) << endl
using vint=vector<int>;
using vvint=vector<vint>;
using pint=pair<int, int>;
using vpint=vector<pint>;
template<typename T> using priority_queue_rev=priority_queue<T, vector<T>, greater<T>>;
constexpr double pi = 3.1415926535897932384626433832795028L;
constexpr int dy[8] = {0, 1, 0, -1, 1, 1, -1, -1};
constexpr int dx[8] = {1, 0, -1, 0, 1, -1, -1, 1};
int gcd(int a, int b) {
    while (b) { swap(a %= b, b); }
    return a;
}
int lcm(int a, int b) { return a / gcd(a, b) * b; }
template<typename T> void fin(T mes) {
    cout << mes << endl;
    exit(0);
}
template<typename T1, typename T2> bool chmax(T1 &a, const T2 &b) {
    if (a < b) {
        a = b;
        return true;
    }
    return false;
}
template<typename T1, typename T2> bool chmin(T1 &a, const T2 &b) {
    if (b < a) {
        a = b;
        return true;
    }
    return false;
}
template<typename T1, typename T2> ostream &operator<<(ostream &os, const pair<T1, T2> &rhs) {
    os << "(" << rhs.first << ", " << rhs.second << ")";
    return os;
}
template<typename T> ostream &operator<<(ostream &os, const vector<T> &rhs) {
    os << "{";
    for (auto itr = rhs.begin(); itr != rhs.end(); itr++) {
        os << *itr << (next(itr) != rhs.end() ? ", " : "");
    }
    os << "}";
    return os;
}
struct setup {
    static constexpr int PREC = 20;
    setup() {
        cout << fixed << setprecision(PREC);
        cerr << fixed << setprecision(PREC);
    };
} setup;

int N;
int x[110], y[110];
signed main() {
    cin >> N;
    rep(i, N) { cin >> x[i] >> y[i]; }
    if (N == 2) {
        cout << 0.5 << endl << 0.5 << endl;
        return 0;
    }
    rep(i, N) {
        double max_theta = -1;
        int a, b;
        rep(j, N) {
            if (i == j) { continue; }
            double vx0 = x[j] - x[i], vy0 = y[j] - y[i];
            rep(k, N) {
                if (i == k) { continue; }
                double vx1 = x[k] - x[i], vy1 = y[k] - y[i];
                double prod = vx0 * vx1 + vy0 * vy1;
                double cos = prod / sqrt((vx0 * vx0 + vy0 * vy0) * (vx1 * vx1 + vy1 * vy1));
                double theta = acos(cos);
                if (max_theta < theta) {
                    max_theta = theta;
                    a = j, b = k;
                }
            }
        }
        double vxa = x[a] - x[i], vya = y[a] - y[i];
        double vxb = x[b] - x[i], vyb = y[b] - y[i];
        rep(c, N) {
            if (i == c) { continue; }
            double vxc = x[c] - x[i], vyc = y[c] - y[i];
            double prod0 = vxa * vxc + vya * vyc;
            double prod1 = vxb * vxc + vyb * vyc;
            double cos0 = prod0 / sqrt((vxa * vxa + vya * vya) * (vxc * vxc + vyc * vyc));
            double cos1 = prod1 / sqrt((vxb * vxb + vyb * vyb) * (vxc * vxc + vyc * vyc));
            double theta0 = acos(cos0);
            double theta1 = acos(cos1);
            if (theta0 + theta1 > pi) {
                cout << 0.0 << endl;
                goto label;
            }
        }
        cout << (pi - max_theta) / (2 * pi) << endl;
        label:;
    }
}


Measured memory_bytes: 256