#include <iomanip>
#include <iostream>
#include <vector>

using namespace std;

int main() {
  /**
   *
   * P(X_b >= a) = sum(P(X_c >= a - 1) * (1 / (n - b)))
   *
   */

  ios_base::sync_with_stdio(false);
  cin.tie(nullptr);

  int n, m;
  cin >> n >> m;

  vector<vector<double>> probs(n + 1, vector<double>(n, 0.0));
  probs[n][0] = 1.0;
  for (int j = 1; j < n; j++) {
    for (int i = n - 1; i >= 1; i--) {
      int totalRem = n - i;
      for (int k = i + 1; k <= n; k++) {
        probs[i][j] += probs[k][j - 1] * (1.0 / totalRem);
      }
    }
  }

  vector<int> a(m);
  for (int i = 0; i < m; i++) {
    cin >> a[i];
  }

  cout << fixed << setprecision(9);

  for (int i = 0; i < m; i++) {
    double ans = 0.0;
    for (int p = 0; p < n; p++) {
      double curr = probs[a[i]][p];
      for (int j = 0; j < m; j++) {
        if (i == j)
          continue;

        double sum = 0.0;
        for (int k = p; k < n; k++) {
          sum += probs[a[j]][k];
        }

        curr *= sum;
      }

      ans += curr;
    }

    cout << ans << " ";
  }
  cout << endl;
}