#include <bits/stdc++.h>
using namespace std;
int n;
long double l, v1, v2;
long double a[100000];
long double p[100001];
vector<pair<long double, int> > events;
int main() {
  cout << fixed << setprecision(12);
  cin >> n >> l >> v1 >> v2;
  long double dist = l * v2 / (v1 + v2);
  events.push_back(make_pair(0, 0));
  events.push_back(make_pair(2 * l, 0));
  for (int i = 0; i < n; ++i) {
    cin >> a[i];
    events.push_back(make_pair(a[i] - dist, 1));
    events.push_back(make_pair(a[i] + 2 * l - dist, 1));
    events.push_back(make_pair(a[i], -1));
  }
  sort(events.begin(), events.end());
  memset(p, 0, sizeof p);
  int choc = 0, i = 0;
  while (events[i].second != 0) {
    choc += events[i].second;
    ++i;
  }
  ++i;
  while (events[i].second != 0) {
    p[choc] += events[i].first - events[i - 1].first;
    choc += events[i].second;
    ++i;
  }
  p[choc] += events[i].first - events[i - 1].first;
  for (int i = 0; i <= n; ++i) cout << (p[i] / 2 / l) << endl;
}
