// Copyright (c) 2012-2017, The CryptoNote developers, The Bytecoin developers
//
// This file is part of Bytecoin.
//
// Bytecoin is free software: you can redistribute it and/or modify
// it under the terms of the GNU Lesser General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// Bytecoin is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public License
// along with Bytecoin.  If not, see <http://www.gnu.org/licenses/>.

#pragma once

#include <algorithm>
#include <vector>

namespace Common {

template <class T>
T medianValue(std::vector<T> &v) {
  if (v.empty())
    return T();

  if (v.size() == 1)
    return v[0];

  auto n = (v.size()) / 2;
  std::sort(v.begin(), v.end());
  //nth_element(v.begin(), v.begin()+n-1, v.end());
  if (v.size() % 2) { //1, 3, 5...
    return v[n];
  } else { //2, 4, 6...
    return (v[n - 1] + v[n]) / 2;
  }
}

}
