float mean(vector<float> v) { int size = v.size(); float sum = 0; for (int i = 0; i < size; i++){ sum += v[i]; } return sum / size; } float median(vector<float> v) { float size = v.size(); vector<float> _v(v.size()); copy(v.begin(), v.end(), back_inserter(_v)); float tmp; for (int i = 0; i < size - 1; i++){ for (int j = i + 1; j < size; j++) { if (_v[i] > _v[j]){ tmp = _v[i]; _v[i] = _v[j]; _v[j]